ProSnippets Geodatabase - Esri/arcgis-pro-sdk GitHub Wiki

public async Task OpenFileGDB()
{
    try
    {
        await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
        {
            // Opens a file geodatabase. This will open the geodatabase if the folder exists and contains a valid geodatabase.
            using (
      Geodatabase geodatabase =
        new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(@"C:\Data\LocalGovernment.gdb"))))
            {
                // Use the geodatabase.
            }
        });
    }
    catch (GeodatabaseNotFoundOrOpenedException exception)
    {
        // Handle Exception.
    }

}

public async Task OpenEnterpriseGeodatabase()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        // Opening a Non-Versioned SQL Server instance.
        DatabaseConnectionProperties connectionProperties = new DatabaseConnectionProperties(EnterpriseDatabaseType.SQLServer)
        {
            AuthenticationMode = AuthenticationMode.DBMS,

            // Where testMachine is the machine where the instance is running and testInstance is the name of the SqlServer instance.
            Instance = @"testMachine\testInstance",

            // Provided that a database called LocalGovernment has been created on the testInstance and geodatabase has been enabled on the database.
            Database = "LocalGovernment",

            // Provided that a login called gdb has been created and corresponding schema has been created with the required permissions.
            User = "gdb",
            Password = "password",
            Version = "dbo.DEFAULT"
        };

        using (Geodatabase geodatabase = new Geodatabase(connectionProperties))
        {
            // Use the geodatabase
        }
    });
}

public async Task OpenEnterpriseGeodatabaseUsingSDEFilePath()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        {
            // Use the geodatabase.
        }
    });
}

public async Task ObtainingGeodatabaseFromProjectItem()
{
    IEnumerable<GDBProjectItem> gdbProjectItems = Project.Current.GetItems<GDBProjectItem>();

    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        foreach (GDBProjectItem gdbProjectItem in gdbProjectItems)
        {
            using (Datastore datastore = gdbProjectItem.GetDatastore())
            {
                //Unsupported datastores (non File GDB and non Enterprise GDB) will be of type UnknownDatastore
                if (datastore is UnknownDatastore)
                    continue;

                Geodatabase geodatabase = datastore as Geodatabase;
                // Use the geodatabase.
            }
        }
    });
}

DatabaseConnectionFile connectionFile = new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"));
DatabaseConnectionProperties connectionProperties = DatabaseClient.GetDatabaseConnectionProperties(connectionFile);

// Now you could, for example, change the user name and password in the connection properties prior to use them to open a geodatabase

public async Task ObtainingGeodatabaseFromFeatureLayer()
{
    IEnumerable<Layer> layers = MapView.Active.Map.Layers.Where(layer => layer is FeatureLayer);

    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        foreach (FeatureLayer featureLayer in layers)
        {
            using (Table table = featureLayer.GetTable())
            using (Datastore datastore = table.GetDatastore())
            {
                if (datastore is UnknownDatastore)
                    continue;

                Geodatabase geodatabase = datastore as Geodatabase;
            }
        }
    });
}

// Executes raw SQL on the underlying database management system.
//  Any SQL is permitted (DDL or DML), but no results can be returned
public void ExecuteSQLOnGeodatabase(Geodatabase geodatabase, string statement)
{
    QueuedTask.Run(() =>
    {
        DatabaseClient.ExecuteStatement(geodatabase, statement);
    });
}

public async Task ObtainingDefinitionFromGeodatabase()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        {
            // Remember that for Enterprise databases you have to qualify your dataset names with the DatabaseName and UserName.
            TableDefinition enterpriseTableDefinition = geodatabase.GetDefinition<TableDefinition>("LocalGovernment.GDB.CitizenContactInfo");

            // It does not matter if the dataset is within a FeatureDataset or not.
            FeatureClassDefinition featureClassDefinition = geodatabase.GetDefinition<FeatureClassDefinition>("LocalGovernment.GDB.FireStation");

            // GetDefinition For a RelationshipClass.
            RelationshipClassDefinition relationshipClassDefinition = geodatabase.GetDefinition<RelationshipClassDefinition>("LocalGovernment.GDB.AddressPointHasSiteAddresses");

            // GetDefinition For a FeatureDataset.
            FeatureDatasetDefinition featureDatasetDefinition = geodatabase.GetDefinition<FeatureDatasetDefinition>("LocalGovernment.GDB.Address");
        }
    });
}

public async Task ObtainingDefinitionsFromGeodatabase()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        {
            IReadOnlyList<FeatureClassDefinition> enterpriseDefinitions = geodatabase.GetDefinitions<FeatureClassDefinition>();
            IEnumerable<Definition> featureClassesHavingGlobalID = enterpriseDefinitions.Where(definition => definition.HasGlobalID());

            IReadOnlyList<FeatureDatasetDefinition> featureDatasetDefinitions = geodatabase.GetDefinitions<FeatureDatasetDefinition>();
            bool electionRelatedFeatureDatasets = featureDatasetDefinitions.Any(definition => definition.GetName().Contains("Election"));

            IReadOnlyList<AttributedRelationshipClassDefinition> attributedRelationshipClassDefinitions = geodatabase.GetDefinitions<AttributedRelationshipClassDefinition>();

            IReadOnlyList<RelationshipClassDefinition> relationshipClassDefinitions = geodatabase.GetDefinitions<RelationshipClassDefinition>();
        }
    });
}

public async Task ObtainingRelatedDefinitionsFromGeodatabase()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        {
            // Remember the qualification of DatabaseName. for the RelationshipClass.

            RelationshipClassDefinition enterpriseDefinition = geodatabase.GetDefinition<RelationshipClassDefinition>("LocalGovernment.GDB.AddressPointHasSiteAddresses");
            IReadOnlyList<Definition> enterpriseDefinitions = geodatabase.GetRelatedDefinitions(enterpriseDefinition, DefinitionRelationshipType.DatasetsRelatedThrough);
            FeatureClassDefinition enterpriseAddressPointDefinition = enterpriseDefinitions.First(defn => defn.GetName().Equals("LocalGovernment.GDB.AddressPoint"))
        as FeatureClassDefinition;

            FeatureDatasetDefinition featureDatasetDefinition = geodatabase.GetDefinition<FeatureDatasetDefinition>("LocalGovernment.GDB.Address");
            IReadOnlyList<Definition> datasetsInAddressDataset = geodatabase.GetRelatedDefinitions(featureDatasetDefinition, DefinitionRelationshipType.DatasetInFeatureDataset);
            FeatureClassDefinition addressPointInAddressDataset = datasetsInAddressDataset.First(defn => defn.GetName().Equals("LocalGovernment.GDB.AddressPoint"))
        as FeatureClassDefinition;

            RelationshipClassDefinition addressPointHasSiteAddressInAddressDataset = datasetsInAddressDataset.First(defn => defn.GetName().Equals("LocalGovernment.GDB.AddressPointHasSiteAddresses"))
        as RelationshipClassDefinition;
        }
    });
}

// GetDefinitionFromLayer - This code works even if the layer has a join to another table
private TableDefinition GetDefinitionFromLayer(FeatureLayer featureLayer)
{
    // Get feature class from the layer
    FeatureClass featureClass = featureLayer.GetFeatureClass();

    // Determine if feature class is a join
    if (featureClass.IsJoinedTable())
    {
        // Get join from feature class
        Join join = featureClass.GetJoin();

        // Get origin table from join
        Table originTable = join.GetOriginTable();

        // Return feature class definition from the join's origin table
        return originTable.GetDefinition();
    }
    else
    {
        return featureClass.GetDefinition();
    }
}

public async Task OpeningDatasetsFromGeodatabase()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        {
            using (Table table = geodatabase.OpenDataset<Table>("LocalGovernment.GDB.EmployeeInfo"))
            {
            }

            // Open a featureClass (within a feature dataset or outside a feature dataset).
            using (FeatureClass featureClass = geodatabase.OpenDataset<FeatureClass>("LocalGovernment.GDB.AddressPoint"))
            {
            }

            // You can open a FeatureClass as a Table which will give you a Table Reference.
            using (Table featureClassAsTable = geodatabase.OpenDataset<Table>("LocalGovernment.GDB.AddressPoint"))
            {
                // But it is really a FeatureClass object.
                FeatureClass featureClassOpenedAsTable = featureClassAsTable as FeatureClass;
            }

            // Open a FeatureDataset.
            using (FeatureDataset featureDataset = geodatabase.OpenDataset<FeatureDataset>("LocalGovernment.GDB.Address"))
            {
            }

            // Open a RelationsipClass.  Just as you can open a FeatureClass as a Table, you can also open an AttributedRelationshipClass as a RelationshipClass.
            using (RelationshipClass relationshipClass = geodatabase.OpenDataset<RelationshipClass>("LocalGovernment.GDB.AddressPointHasSiteAddresses"))
            {
            }
        }
    });
}

// Must be called within QueuedTask.Run9)
public bool TableExists(Geodatabase geodatabase, string tableName)
{
    try
    {
        TableDefinition tableDefinition = geodatabase.GetDefinition<TableDefinition>(tableName);
        tableDefinition.Dispose();
        return true;
    }
    catch
    {
        // GetDefinition throws an exception if the definition doesn't exist
        return false;
    }
}

// Must be called within QueuedTask.Run()
public bool FeatureClassExists(Geodatabase geodatabase, string featureClassName)
{
    try
    {
        FeatureClassDefinition featureClassDefinition = geodatabase.GetDefinition<FeatureClassDefinition>(featureClassName);
        featureClassDefinition.Dispose();
        return true;
    }
    catch
    {
        // GetDefinition throws an exception if the definition doesn't exist
        return false;
    }
}

// Must be called within QueuedTask.Run().  
// When used with file or enterprise geodatabases, this routine takes two table names.
// When used with feature services, this routine takes layer IDs, or the names of the tables as they are exposed through the service (e.g., "L0States")
public IReadOnlyList<RelationshipClass> OpenRelationshipClassFeatureServices(Geodatabase geodatabase, string originClass, string destinationClass)
{
    return geodatabase.OpenRelationshipClasses(originClass, destinationClass);
}

public async Task GetFeatureClassesInRelationshipClassAsync()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(@"C:\Data\LocalGovernment.gdb"))))
        {
            IReadOnlyList<RelationshipClassDefinition> relationshipClassDefinitions = geodatabase.GetDefinitions<RelationshipClassDefinition>();

            foreach (RelationshipClassDefinition relationshipClassDefinition in relationshipClassDefinitions)
            {
                IReadOnlyList<Definition> definitions = geodatabase.GetRelatedDefinitions(relationshipClassDefinition, DefinitionRelationshipType.DatasetsRelatedThrough);

                foreach (Definition definition in definitions)
                {
                    System.Diagnostics.Debug.WriteLine($"Feature class in the RelationshipClass is:{definition.GetName()}");
                }
            }
        }
    });
}

public async Task OpenShapefileFeatureClass()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        FileSystemConnectionPath fileConnection = new FileSystemConnectionPath(new Uri("path\\to\\folder\\containing\\shapefiles"), FileSystemDatastoreType.Shapefile);
        using (FileSystemDatastore shapefile = new FileSystemDatastore(fileConnection))
        {
            FeatureClass taxLotsFeatureClass = shapefile.OpenDataset<FeatureClass>("TaxLots");
            FeatureClass manHolesFeatureClass = shapefile.OpenDataset<FeatureClass>("ManHoles.shp"); // Can use the .shp extension, but its not needed.
            Table taxDetailsTableWithoutExtension = shapefile.OpenDataset<Table>("TaxDetails");
            Table taxDetailsTable = shapefile.OpenDataset<Table>("TaxDetails.dbf");
        }
    });
}

public async Task OpenCADFeatureClass()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        FileSystemConnectionPath fileConnection = new FileSystemConnectionPath(new Uri("path\\to\\folder\\containing\\CAD"), FileSystemDatastoreType.Cad);
        using (FileSystemDatastore cadDatastore = new FileSystemDatastore(fileConnection))
        {
            // note - extension is required
            FeatureClass cadDataset = cadDatastore.OpenDataset<FeatureClass>("hatchplayboundaries.dwg");
            // take note of the pattern for referencing a feature class. 
            FeatureClass cadfeatureClass = cadDatastore.OpenDataset<FeatureClass>("hatchplayboundaries.dwg:Polyline");

            int numRows = 0;
            using (RowCursor cursor = cadfeatureClass.Search())
            {
                while (cursor.MoveNext())
                    numRows++;
            }
        }
    });
}

public async Task SearchingATable()
{
    try
    {
        await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
        {
            using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
            using (Table table = geodatabase.OpenDataset<Table>("EmployeeInfo"))
            {

                QueryFilter queryFilter = new QueryFilter
                {
                    WhereClause = "COSTCTRN = 'Information Technology'",
                    SubFields = "KNOWNAS, OFFICE, LOCATION",
                    PostfixClause = "ORDER BY OFFICE"
                };

                using (RowCursor rowCursor = table.Search(queryFilter, false))
                {
                    while (rowCursor.MoveNext())
                    {
                        using (Row row = rowCursor.Current)
                        {
                            string location = Convert.ToString(row["LOCATION"]);
                            string knownAs = Convert.ToString(row["KNOWNAS"]);
                        }
                    }
                }
            }
        });
    }
    catch (GeodatabaseFieldException fieldException)
    {
        // One of the fields in the where clause might not exist. There are multiple ways this can be handled:
        // Handle error appropriately
    }
    catch (Exception exception)
    {
        // logger.Error(exception.Message);
    }
}

using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
using (Table table = geodatabase.OpenDataset<Table>("TableWithChineseCharacters"))
{
    // This will fail with many database systems that expect Latin characters by default
    string incorrectWhereClause = "颜色 = '绿'";

    // Correct solution is to prepend the 'National String Prefix' to the attribute value
    // For example, with SQL Server this value is 'N'
    // This value is obtained using the SQLSyntax class
    string nationalStringPrefix = "";
    SQLSyntax sqlSyntax = geodatabase.GetSQLSyntax();
    nationalStringPrefix = sqlSyntax.GetSupportedStrings(SQLStringType.NationalStringPrefix).First();

    // This Where clause will work
    QueryFilter queryFilter = new QueryFilter()
    {
        WhereClause = "颜色 = " + nationalStringPrefix + "'绿'"
    };
}

public RowCursor SearchingATable(Table table, IReadOnlyList<long> objectIDs)
{
    QueryFilter queryFilter = new QueryFilter()
    {
        ObjectIDs = objectIDs
    };

    return table.Search(queryFilter);
}

public async Task SearchingAFeatureClass()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        using (FeatureClass schoolBoundaryFeatureClass = geodatabase.OpenDataset<FeatureClass>("LocalGovernment.GDB.SchoolBoundary"))
        {
            // Using a spatial query filter to find all features which have a certain district name and lying within a given Polygon.
            SpatialQueryFilter spatialQueryFilter = new SpatialQueryFilter
            {
                WhereClause = "DISTRCTNAME = 'Indian Prairie School District 204'",
                FilterGeometry = new PolygonBuilderEx(new List<Coordinate2D>
          {
      new Coordinate2D(1021880, 1867396),
      new Coordinate2D(1028223, 1870705),
      new Coordinate2D(1031165, 1866844),
      new Coordinate2D(1025373, 1860501),
      new Coordinate2D(1021788, 1863810)
          }).ToGeometry(),

                SpatialRelationship = SpatialRelationship.Within
            };

            using (RowCursor indianPrairieCursor = schoolBoundaryFeatureClass.Search(spatialQueryFilter, false))
            {
                while (indianPrairieCursor.MoveNext())
                {
                    using (Feature feature = (Feature)indianPrairieCursor.Current)
                    {
                        // Process the feature. For example...
                        Console.WriteLine(feature.GetObjectID());
                    }
                }
            }
        }
    });
}

public async Task SelectingRowsFromATable()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        using (Table enterpriseTable = geodatabase.OpenDataset<Table>("LocalGovernment.GDB.piCIPCost"))
        {
            QueryFilter anotherQueryFilter = new QueryFilter { WhereClause = "FLOOR = 1 AND WING = 'E'" };

            // For Selecting all matching entries.
            using (Selection anotherSelection = enterpriseTable.Select(anotherQueryFilter, SelectionType.ObjectID, SelectionOption.Normal))
            {
            }

            // This can be used to get one record which matches the criteria. No assumptions can be made about which record satisfying the criteria is selected.
            using (Selection onlyOneSelection = enterpriseTable.Select(anotherQueryFilter, SelectionType.ObjectID, SelectionOption.OnlyOne))
            {
            }

            // This can be used to obtain a empty selction which can be used as a container to combine results from different selections.
            using (Selection emptySelection = enterpriseTable.Select(anotherQueryFilter, SelectionType.ObjectID, SelectionOption.Empty))
            {
            }

            // If you want to select all the records in a table.
            using (Selection allRecordSelection = enterpriseTable.Select(null, SelectionType.ObjectID, SelectionOption.Normal))
            {
            }
        }
    });
}

public async Task SelectingFeaturesFromAFeatureClass()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        using (FeatureClass enterpriseFeatureClass = geodatabase.OpenDataset<FeatureClass>("LocalGovernment.GDB.FacilitySite"))
        {
            List<Coordinate2D> newCoordinates = new List<Coordinate2D>
        {
    new Coordinate2D(1021570, 1880583),
    new Coordinate2D(1028730, 1880994),
    new Coordinate2D(1029718, 1875644),
    new Coordinate2D(1021405, 1875397)
        };

            SpatialQueryFilter spatialFilter = new SpatialQueryFilter
            {
                WhereClause = "FCODE = 'Park'",
                FilterGeometry = new PolygonBuilderEx(newCoordinates).ToGeometry(),
                SpatialRelationship = SpatialRelationship.Crosses
            };

            // For Selecting all matching entries.
            using (Selection anotherSelection = enterpriseFeatureClass.Select(spatialFilter, SelectionType.ObjectID, SelectionOption.Normal))
            {
            }

            // This can be used to get one record which matches the criteria. No assumptions can be made about which record satisfying the 
            // criteria is selected.
            using (Selection onlyOneSelection = enterpriseFeatureClass.Select(spatialFilter, SelectionType.ObjectID, SelectionOption.OnlyOne))
            {
            }

            // This can be used to obtain a empty selction which can be used as a container to combine results from different selections.
            using (Selection emptySelection = enterpriseFeatureClass.Select(spatialFilter, SelectionType.ObjectID, SelectionOption.Empty))
            {
            }

            // If you want to select all the records in a table.
            using (Selection allRecordSelection = enterpriseFeatureClass.Select(null, SelectionType.ObjectID, SelectionOption.Normal))
            {
            }
        }
    });
}

//Note: call within QueuedTask.Run()
Table table = featureLayer.GetTable();
long count = table.GetCount();

FeatureLayer lyr = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault();
QueuedTask.Run(() =>
{
    FeatureClass featureClass = lyr.GetFeatureClass();
    long nCount = featureClass.GetCount();
});

public RowCursor SortWorldCities(FeatureClass worldCitiesTable)
{
    using (FeatureClassDefinition featureClassDefinition = worldCitiesTable.GetDefinition())
    {
        Field countryField = featureClassDefinition.GetFields()
          .First(x => x.Name.Equals("COUNTRY_NAME"));
        Field cityNameField = featureClassDefinition.GetFields()
          .First(x => x.Name.Equals("CITY_NAME"));

        // Create SortDescription for Country field
        SortDescription countrySortDescription = new SortDescription(countryField);
        countrySortDescription.CaseSensitivity = CaseSensitivity.Insensitive;
        countrySortDescription.SortOrder = SortOrder.Ascending;

        // Create SortDescription for City field
        SortDescription citySortDescription = new SortDescription(cityNameField);
        citySortDescription.CaseSensitivity = CaseSensitivity.Insensitive;
        citySortDescription.SortOrder = SortOrder.Ascending;

        // Create our TableSortDescription
        TableSortDescription tableSortDescription = new TableSortDescription(
          new List<SortDescription>() { countrySortDescription, citySortDescription });

        return worldCitiesTable.Sort(tableSortDescription);
    }
}

// Calculate the Sum and Average of the Population_1990 and Population_2000 fields, grouped and ordered by Region
public void CalculateStatistics(FeatureClass countryFeatureClass)
{
    using (FeatureClassDefinition featureClassDefinition = countryFeatureClass.GetDefinition())
    {
        // Get fields
        Field regionField = featureClassDefinition.GetFields()
          .First(x => x.Name.Equals("Region"));
        Field pop1990Field = featureClassDefinition.GetFields()
          .First(x => x.Name.Equals("Population_1990"));
        Field pop2000Field = featureClassDefinition.GetFields()
          .First(x => x.Name.Equals("Population_2000"));

        // Create StatisticsDescriptions
        StatisticsDescription pop1990StatisticsDescription = new StatisticsDescription(pop1990Field,
                  new List<StatisticsFunction>() { StatisticsFunction.Sum,
                                            StatisticsFunction.Average });

        StatisticsDescription pop2000StatisticsDescription = new StatisticsDescription(pop2000Field,
                  new List<StatisticsFunction>() { StatisticsFunction.Sum,
                                            StatisticsFunction.Average });

        // Create TableStatisticsDescription
        TableStatisticsDescription tableStatisticsDescription = new TableStatisticsDescription(new List<StatisticsDescription>() {
              pop1990StatisticsDescription, pop2000StatisticsDescription });
        tableStatisticsDescription.GroupBy = new List<Field>() { regionField };
        tableStatisticsDescription.OrderBy = new List<SortDescription>() { new SortDescription(regionField) };

        // Calculate Statistics
        IReadOnlyList<TableStatisticsResult> tableStatisticsResults = countryFeatureClass.CalculateStatistics(tableStatisticsDescription);

        foreach (TableStatisticsResult tableStatisticsResult in tableStatisticsResults)
        {
            // Get the Region name
            // If multiple fields had been passed into TableStatisticsDescription.GroupBy, there would be multiple values in TableStatisticsResult.GroupBy
            string regionName = tableStatisticsResult.GroupBy.First().Value.ToString();

            // Get the statistics results for the Population_1990 field
            StatisticsResult pop1990Statistics = tableStatisticsResult.StatisticsResults[0];
            double population1990Sum = pop1990Statistics.Sum;
            double population1990Average = pop1990Statistics.Average;

            // Get the statistics results for the Population_2000 field
            StatisticsResult pop2000Statistics = tableStatisticsResult.StatisticsResults[1];
            double population2000Sum = pop2000Statistics.Sum;
            double population2000Average = pop2000Statistics.Average;

            // Do something with the results here...
        }
    }
}

public async Task SimpleQueryDef()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file"))))
        {
            QueryDef adaCompilantParksQueryDef = new QueryDef
            {
                Tables = "Park",
                WhereClause = "ADACOMPLY = 'Yes'",
            };

            using (RowCursor rowCursor = geodatabase.Evaluate(adaCompilantParksQueryDef, false))
            {
                while (rowCursor.MoveNext())
                {
                    using (Row row = rowCursor.Current)
                    {
                        Feature feature = row as Feature;
                        Geometry shape = feature.GetShape();

                        String type = Convert.ToString(row["ADACOMPLY"]); // will be "Yes" for each row.

                        try
                        {
                            Table table = row.GetTable(); // Will always throw exception.
                        }
                        catch (NotSupportedException exception)
                        {
                            // Handle not supported exception.
                        }
                    }
                }
            }
        }
    });
}

public async Task JoiningWithWhereQueryDef()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file"))))
        {
            QueryDef municipalEmergencyFacilitiesQueryDef = new QueryDef
            {
                SubFields = "EmergencyFacility.OBJECTID, EmergencyFacility.Shape, EmergencyFacility.FACILITYID, FacilitySite.FACILITYID, FacilitySite.FCODE",
                Tables = "EmergencyFacility, FacilitySite",
                WhereClause = "EmergencyFacility.FACNAME = FacilitySite.NAME AND EmergencyFacility.JURISDICT = 'Municipal'",
            };

            using (RowCursor rowCursor = geodatabase.Evaluate(municipalEmergencyFacilitiesQueryDef, false))
            {
                while (rowCursor.MoveNext())
                {
                    using (Row row = rowCursor.Current)
                    {
                        Feature feature = row as Feature;
                        Geometry shape = feature.GetShape();

                        long objectID = Convert.ToInt64(row["EmergencyFacility.OBJECTID"]);
                        String featureCode = Convert.ToString(row["FacilitySite.FCODE"]);

                        IReadOnlyList<Field> fields = feature.GetFields(); //Contains one ArcGIS.Core.Data.Field objects for every subfield
                    }
                }
            }
        }
    });
}

public async Task EvaluatingQueryDefWithOuterJoin()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file"))))
        {
            QueryDef queryDefWithLeftOuterJoin = new QueryDef
            {
                Tables = "CommunityAddress LEFT OUTER JOIN MunicipalBoundary on CommunityAddress.Municipality = MunicipalBoundary.Name",
                SubFields = "CommunityAddress.OBJECTID, CommunityAddress.Shape, CommunityAddress.SITEADDID, CommunityAddress.ADDRNUM, CommunityAddress.FULLNAME, CommunityAddress.FULLADDR, CommunityAddress.MUNICIPALITY, MunicipalBoundary.Name, MunicipalBoundary.MUNITYP, MunicipalBoundary.LOCALFIPS",
            };

            using (RowCursor rowCursor = geodatabase.Evaluate(queryDefWithLeftOuterJoin, false))
            {
                while (rowCursor.MoveNext())
                {
                    using (Row row = rowCursor.Current)
                    {
                        Feature feature = row as Feature;
                        Geometry shape = feature.GetShape();

                        int siteAddressId = Convert.ToInt32(row["CommunityAddress.SITEADDID"]);
                        String stateName = Convert.ToString(row["MunicipalBoundary.name"]);
                    }
                }
            }
        }
    });
}

public async Task EvaluatingQueryDefWithInnerJoin()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file"))))
        {
            QueryDef queryDef = new QueryDef()
            {
                Tables = "People INNER JOIN States ON People.FK_STATE_ID = States.OBJECTID",
                SubFields = "People.OBJECTID, People.First_Name, People.Last_Name, People.City, States.State_Name"
            };

            using (RowCursor cursor = geodatabase.Evaluate(queryDef))
            {
                while (cursor.MoveNext())
                {
                    using (Row row = cursor.Current)
                    {
                        // Handle row
                    }
                }
            }
        }
    });
}

public async Task EvaluatingQueryDefWithNestedJoin()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(
    new DatabaseConnectionFile(new Uri("path\\to\\sde\\file"))))
        {
            QueryDef queryDef = new QueryDef()
            {
                Tables = "((People INNER JOIN States ON People.FK_STATE_ID = States.OBJECTID) LEFT OUTER JOIN Homes ON People.OBJECTID = Homes.FK_People_ID)",
                SubFields = "People.OBJECTID, People.First_Name, People.Last_Name, States.State_Name, Homes.Address"
            };

            using (RowCursor cursor = geodatabase.Evaluate(queryDef, false))
            {
                while (cursor.MoveNext())
                {
                    using (Row row = cursor.Current)
                    {
                        // Handle row
                    }
                }
            }
        }
    });
}

public async Task DefaultQueryDescription()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        DatabaseConnectionProperties databaseConnectionProperties = new DatabaseConnectionProperties(EnterpriseDatabaseType.SQLServer)
        {
            AuthenticationMode = AuthenticationMode.DBMS,
            Instance = "instance",
            Database = "database",
            User = "user",
            Password = "password"
        };

        using (Database database = new Database(databaseConnectionProperties))
        {
            QueryDescription queryDescription = database.GetQueryDescription("CUSTOMERS");

            using (Table table = database.OpenTable(queryDescription))
            {
                //use table
            }
        }
    });
}

public async Task CustomQueryDescription()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        DatabaseConnectionProperties databaseConnectionProperties = new DatabaseConnectionProperties(EnterpriseDatabaseType.SQLServer)
        {
            AuthenticationMode = AuthenticationMode.DBMS,
            Instance = "instance",
            Database = "database",
            User = "user",
            Password = "password"
        };

        using (Database database = new Database(databaseConnectionProperties))
        {
            QueryDescription queryDescription = database.GetQueryDescription("SELECT OBJECTID, Shape, FACILITYID FROM EmergencyFacility WHERE JURISDICT = 'Municipal'", "MunicipalEmergencyFacilities");

            using (Table table = database.OpenTable(queryDescription))
            {
                // Use the table.
            }
        }
    });
}

public async Task JoinQueryDescription()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        DatabaseConnectionProperties databaseConnectionProperties = new DatabaseConnectionProperties(EnterpriseDatabaseType.SQLServer)
        {
            AuthenticationMode = AuthenticationMode.DBMS,
            Instance = "instance",
            Database = "database",
            User = "user",
            Password = "password"
        };

        using (Database database = new Database(databaseConnectionProperties))
        {
            QueryDescription queryDescription = database.GetQueryDescription("SELECT BUSLINES.ID as BUSLINESID, BUSSTOPS.ID as BUSSTOPSID, BUSLINES.RTE_DESC, BUSLINES.DIR, BUSSTOPS.JURISDIC, BUSSTOPS.LOCATION, BUSSTOPS.ROUTE,BUSSTOPS.SHAPE from demosql.dbo.BUSSTOPS JOIN demosql.dbo.BUSLINES ON BUSSTOPS.ROUTE = BUSLINES.ROUTE", "BusInfo");

            queryDescription.SetObjectIDFields("BUSLINESID,BUSSTOPSID");

            using (Table table = database.OpenTable(queryDescription))
            {
                // Use the table.
            }
        }
    });
}

public async Task MultiGeometryQueryDescription()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        DatabaseConnectionProperties databaseConnectionProperties = new DatabaseConnectionProperties(EnterpriseDatabaseType.SQLServer)
        {
            AuthenticationMode = AuthenticationMode.DBMS,
            Instance = "instance",
            Database = "database",
            User = "user",
            Password = "password"
        };

        using (Database database = new Database(databaseConnectionProperties))
        {
            QueryDescription pointQueryDescription = database.GetQueryDescription("select Description, SHAPE, UniqueID from MULTIGEOMETRYTEST", "MultiGeometryPoint");
            pointQueryDescription.SetShapeType(GeometryType.Point);
            using (Table pointTable = database.OpenTable(pointQueryDescription))
            {
                //use pointTable
            }

            QueryDescription polygonQueryDescription = database.GetQueryDescription("select Description, SHAPE, UniqueID from MULTIGEOMETRYTEST", "MultiGeometryPolygon");
            polygonQueryDescription.SetShapeType(GeometryType.Polygon);
            using (Table polygonTable = database.OpenTable(polygonQueryDescription))
            {
                //use polygonTable
            }
        }
    });
}

public async Task SqliteQueryDescription()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Database database = new Database(new SQLiteConnectionPath(new Uri("Path\\To\\Sqlite\\Database\\USA.sqlite"))))
        {
            QueryDescription washingtonCitiesQueryDescription = database.GetQueryDescription("select OBJECTID, Shape, CITY_FIPS, CITY_NAME, STATE_FIPS, STATE_CITY, TYPE, CAPITAL from main.cities where STATE_NAME='Washington'", "WashingtonCities");

            using (Table washingtonTable = database.OpenTable(washingtonCitiesQueryDescription))
            {
                // Use washingtonTable.
            }
        }
    });
}

public async Task UsingSqlSyntaxToFormPlatformAgnosticQueries()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri("C:\\Data\\LocalGovernment.gdb"))))
        using (FeatureClass featureClass = geodatabase.OpenDataset<FeatureClass>("FacilitySite"))
        {
            SQLSyntax sqlSyntax = geodatabase.GetSQLSyntax();
            string substringFunctionName = sqlSyntax.GetFunctionName(SQLFunction.Substring);
            string upperFunctionName = sqlSyntax.GetFunctionName(SQLFunction.Upper);
            string substringfunction = string.Format("{0}({1}(FCODE, 1, 6)) = 'SCHOOL'", upperFunctionName, substringFunctionName);

            QueryFilter queryFilter = new QueryFilter
            {
                WhereClause = substringfunction
            };
            using (Selection selection = featureClass.Select(queryFilter, SelectionType.ObjectID, SelectionOption.Normal))
            {
                // work with the selection.
            }
        }
    });
}

public async Task JoiningFileGeodatabaseFeatureClassToOracleQueryLayer()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri("C:\\Data\\LocalGovernment.gdb"))))
        using (Database database = new Database(new DatabaseConnectionProperties(EnterpriseDatabaseType.Oracle)
        {
            AuthenticationMode = AuthenticationMode.DBMS,
            Instance = "instance",
            User = "user",
            Password = "password",
            Database = "database"
        }))

        using (FeatureClass leftFeatureClass = geodatabase.OpenDataset<FeatureClass>("Hospital"))
        using (Table rightTable = database.OpenTable(database.GetQueryDescription("FacilitySite")))
        {
            Field originPrimaryKey = leftFeatureClass.GetDefinition().GetFields().FirstOrDefault(field => field.Name.Equals("facilityId"));
            Field destinationForeignKey = rightTable.GetDefinition().GetFields().FirstOrDefault(field => field.Name.Equals("hospitalID"));

            VirtualRelationshipClassDescription description = new VirtualRelationshipClassDescription(
        originPrimaryKey, destinationForeignKey, RelationshipCardinality.OneToOne);

            using (RelationshipClass relationshipClass = leftFeatureClass.RelateTo(rightTable, description))
            {
                JoinDescription joinDescription = new JoinDescription(relationshipClass)
                {
                    JoinDirection = JoinDirection.Forward,
                    JoinType = JoinType.LeftOuterJoin
                };

                Join join = new Join(joinDescription);

                using (Table joinedTable = join.GetJoinedTable())
                {
                    // Perform operation on joined table.
                }
            }
        }
    });
}

public async Task JoinTablesFromDifferentGeodatabases()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase sourceGeodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri("Path \\ to \\Geodatabase \\ one"))))
        using (Geodatabase destinationGeodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri("Path \\ to \\Geodatabase \\ two"))))
        using (Table sourceTable = sourceGeodatabase.OpenDataset<Table>("State"))
        using (Table destinationTable = destinationGeodatabase.OpenDataset<Table>("Cities"))
        {
            Field primaryKeyField = sourceTable.GetDefinition().GetFields().FirstOrDefault(field => field.Name.Equals("State.State_Abbreviation"));
            Field foreignKeyField = destinationTable.GetDefinition().GetFields().FirstOrDefault(field => field.Name.Equals("Cities.State"));

            VirtualRelationshipClassDescription virtualRelationshipClassDescription = new VirtualRelationshipClassDescription(primaryKeyField, foreignKeyField, RelationshipCardinality.OneToMany);

            using (RelationshipClass relationshipClass = sourceTable.RelateTo(destinationTable, virtualRelationshipClassDescription))
            {
                JoinDescription joinDescription = new JoinDescription(relationshipClass)
                {
                    JoinDirection = JoinDirection.Forward,
                    JoinType = JoinType.InnerJoin,
                    TargetFields = sourceTable.GetDefinition().GetFields()
                };

                using (Join join = new Join(joinDescription))
                {
                    Table joinedTable = join.GetJoinedTable();

                    //Process the joined table. For example ..
                    using (RowCursor cursor = joinedTable.Search())
                    {
                        while (cursor.MoveNext())
                        {
                            using (Row row = cursor.Current)
                            {
                                // Use Row
                            }
                        }
                    }
                }
            }
        }
    });
}

public async Task QueryTableJoinWithVersionedData()
{
    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        QueryDef queryDef = new QueryDef
        {
            Tables = "CommunityAddress JOIN MunicipalBoundary on CommunityAddress.Municipality = MunicipalBoundary.Name",
            SubFields = "CommunityAddress.OBJECTID, CommunityAddress.Shape, CommunityAddress.SITEADDID, CommunityAddress.ADDRNUM, CommunityAddress.FULLNAME, CommunityAddress.FULLADDR, CommunityAddress.MUNICIPALITY, MunicipalBoundary.Name, MunicipalBoundary.MUNITYP, MunicipalBoundary.LOCALFIPS",
        };

        using (Geodatabase testVersion1Geodatabase = new Geodatabase(new DatabaseConnectionProperties(EnterpriseDatabaseType.Oracle)
        {
            AuthenticationMode = AuthenticationMode.DBMS,
            Instance = "instance",
            User = "user",
            Password = "password",
            Database = "database",
            Version = "user.testVersion1"
        }))
        {
            QueryTableDescription queryTableDescription = new QueryTableDescription(queryDef)
            {
                Name = "CommunityAddrJounMunicipalBoundr",
                PrimaryKeys = testVersion1Geodatabase.GetSQLSyntax().QualifyColumnName("CommunityAddress", "OBJECTID")
            };

            // Will be based on testVersion1.
            using (Table queryTable = testVersion1Geodatabase.OpenQueryTable(queryTableDescription))
            {
                // Use queryTable.
            }
        }

        using (Geodatabase testVersion2Geodatabase = new Geodatabase(new DatabaseConnectionProperties(EnterpriseDatabaseType.Oracle)
        {
            AuthenticationMode = AuthenticationMode.DBMS,
            Instance = "instance",
            User = "user",
            Password = "password",
            Database = "database",
            Version = "user.testVersion2"
        }))
        {
            QueryTableDescription queryTableDescription = new QueryTableDescription(queryDef)
            {
                Name = "CommunityAddrJounMunicipalBoundr",
                PrimaryKeys = testVersion2Geodatabase.GetSQLSyntax().QualifyColumnName("CommunityAddress", "OBJECTID")
            };

            // Will be based on testVersion2.
            using (Table queryTable = testVersion2Geodatabase.OpenQueryTable(queryTableDescription))
            {
                // Use queryTable.
            }
        }
    });
}

object val = row[field.Name];
if (val is DBNull || val == null)
{
    // field value is null
}
else
{
    // field value is not null
}

public string GetDomainStringFromField(Row row, Field field)
{
    // Get the table and table definition from the Row
    using (Table table = row.GetTable())
    using (TableDefinition tableDefinition = table.GetDefinition())
    {
        // Get name of subtype field
        string subtypeFieldName = tableDefinition.GetSubtypeField();

        // Get subtype, if any
        Subtype subtype = null;

        if (subtypeFieldName.Length != 0)
        {
            // Get value of subtype field for this row
            object varSubtypeCode = row[subtypeFieldName];
            long subtypeCode = (long)varSubtypeCode;

            // Get subtype for this row
            subtype = tableDefinition.GetSubtypes().First(x => x.GetCode() == subtypeCode);
        }

        // Get the coded value domain for this field
        CodedValueDomain domain = field.GetDomain(subtype) as CodedValueDomain;

        // Return the text string for this field
        if (domain != null)
        {
            return domain.GetName(row[field.Name]);
        }
        else
        {
            return row[field.Name].ToString();
        }
    }
}

public void GetDatastoreProperties(Datastore geodatabase)
{
    // Check if a data store supports datastore properties
    bool areDatastorePropertiesSupported = geodatabase.AreDatastorePropertiesSupported();

    if (areDatastorePropertiesSupported)
    {
        DatastoreProperties datastoreProperties = geodatabase.GetDatastoreProperties();

        // Supports 64-bit integer field
        bool supportsBigInteger = datastoreProperties.SupportsBigInteger;

        // Supports pagination
        bool supportsQueryPagination = datastoreProperties.SupportsQueryPagination;

        // Supports datastore edit 
        bool canEdit = datastoreProperties.CanEdit;

        // Supports 64-bit Object ID
        bool supportsBigObjectId = datastoreProperties.SupportsBigObjectID;

        // Supports DateOnly field
        bool supportsDateOnly = datastoreProperties.SupportsDateOnly;

        // Supports TimeOnly field
        bool supportsTimeOnly = datastoreProperties.SupportsTimeOnly;

        // Supports TimestampOffset field
        bool supportsTimestampOffset = datastoreProperties.SupportsTimestampOffset;
    }
}

public void QueryFilterWithPagination(Table table, List<long> objectIDs)
{
    int rowsPerBatch = 100;
    int offset = 0;

    // Query filter
    // Some datastores support pagination only through an SQL postfix clause
    QueryFilter queryFilter = new QueryFilter()
    {
        ObjectIDs = objectIDs,
        PostfixClause = "ORDER BY OBJECTID"
    };

    // Fetch rows in a batch from a table
    for (int index = offset; index <= objectIDs.Count; index += rowsPerBatch)
    {
        // Set number of rows to return from a table
        queryFilter.RowCount = rowsPerBatch;

        // Set positional offset to skip number of rows from a table 
        queryFilter.Offset = index;

        using (RowCursor cursor = table.Search(queryFilter))
        {
            while (cursor.MoveNext())
            {
                using (Row row = cursor.Current)
                {
                    Console.WriteLine(row.GetObjectID());
                }
            }
        }
    }
}

public void GetVersionConflictsInfoInUpdateDeleteType(ServiceConnectionProperties featureServiceConnectionProperties, string featureClassName)
{
    // To illustrate the conflict between versions,
    // the feature is updated in the child version and deleted in the parent version.

    long featureObjectIDForEdit = Int64.MinValue;

    // Get branch versioned service
    using (Geodatabase fsGeodatabase = new Geodatabase(featureServiceConnectionProperties))
    using (VersionManager versionManager = fsGeodatabase.GetVersionManager())
    using (Version defaultVersion = versionManager.GetDefaultVersion())
    using (Geodatabase defaultGeodatabase = defaultVersion.Connect())
    using (FeatureClass defaultFeatureClass = defaultGeodatabase.OpenDataset<FeatureClass>(featureClassName))
    using (FeatureClassDefinition defaultFeatureClassDefinition = defaultFeatureClass.GetDefinition())
    {
        // Create a feature in the default version to edit in a branch
        defaultGeodatabase.ApplyEdits(() =>
        {
            using (RowBuffer rowBuffer = defaultFeatureClass.CreateRowBuffer())
            {
                rowBuffer["NAME"] = "Loblolly Pine";
                rowBuffer["TREEAGE"] = 1;
                rowBuffer[defaultFeatureClassDefinition.GetShapeField()] = new MapPointBuilderEx(new Coordinate2D(1, 1),
          SpatialReferenceBuilder.CreateSpatialReference(4152, 0)).ToGeometry();

                using (Feature feature = defaultFeatureClass.CreateRow(rowBuffer))
                {
                    featureObjectIDForEdit = feature.GetObjectID();
                }
            }
        });

        // Add newly created feature in the filter
        QueryFilter queryFilter = new QueryFilter { ObjectIDs = new List<long> { featureObjectIDForEdit } };

        // Create a branch version
        VersionDescription versionDescription = new VersionDescription("UpdateDeleteConflictType",
          "Update-Delete version conflict type", VersionAccessType.Private);

        // Edit the feature in the branch 
        using (Version editVersion = versionManager.CreateVersion(versionDescription))
        using (Geodatabase branchGeodatabase = editVersion.Connect())
        using (FeatureClass featureClass = branchGeodatabase.OpenDataset<FeatureClass>(featureClassName))
        using (RowCursor rowCursor = featureClass.Search(queryFilter, false))
        {
            branchGeodatabase.ApplyEdits(() =>
            {
                while (rowCursor.MoveNext())
                {
                    using (Row row = rowCursor.Current)
                    {
                        row["TREEAGE"] = 100;
                        row["NAME"] = $"{row["Name"]}_EditInBranch";
                        row.Store();
                    }
                }
            });

            // Delete the feature from the default version
            defaultFeatureClass.DeleteRows(queryFilter);

            // Reconcile options
            ReconcileOptions reconcileOptions = new ReconcileOptions(defaultVersion)
            {
                ConflictResolutionType = ConflictResolutionType.FavorEditVersion,
                ConflictDetectionType = ConflictDetectionType.ByRow,
                ConflictResolutionMethod = ConflictResolutionMethod.Continue
            };

            // Reconcile with default
            ReconcileResult reconcileResult = editVersion.Reconcile(reconcileOptions);

            // Check for conflicts
            bool hasConflictsReconcileResults = reconcileResult.HasConflicts;
            bool hasConflictsAfterReconcile = editVersion.HasConflicts();

            // Fetch conflicts
            IReadOnlyList<Conflict> conflictsAfterReconcile = editVersion.GetConflicts();

            // Iterate conflicts
            foreach (Conflict conflict in conflictsAfterReconcile)
            {
                // Object ID of row where conflict occurs
                long objectId = conflict.ObjectID;

                ConflictType conflictType = conflict.ConflictType;

                IReadOnlyList<FieldValue> ancestorVersionValues = conflict.AncestorVersionValues;
                object nameAncestor = ancestorVersionValues.FirstOrDefault(f => f.FieldName.Contains("NAME")).Value;
                object treeAgeAncestor = ancestorVersionValues.FirstOrDefault(f => f.FieldName.Contains("TREEAGE")).Value;

                IReadOnlyList<FieldValue> childVersionValues = conflict.ChildVersionValues;
                object nameChild = childVersionValues.FirstOrDefault(f => f.FieldName.Contains("NAME")).Value;
                object treeAgeChild = childVersionValues.FirstOrDefault(f => f.FieldName.Contains("TREEAGE")).Value;

                IReadOnlyList<FieldValue> parentVersionValues = conflict.ParentVersionValues;

                IReadOnlyList<Field> originalFields = defaultFeatureClassDefinition.GetFields();

                string datasetName = conflict.DatasetName;
            }
        }
    }
}

public void ExploreContingentValues(Table table)
{
    using (TableDefinition tableDefinition = table.GetDefinition())
    {
        IReadOnlyList<Contingency> contingencies = tableDefinition.GetContingencies();
        foreach (Contingency contingency in contingencies)
        {
            // Field group 
            FieldGroup filedGroup = contingency.FieldGroup;
            string fieldGroupName = filedGroup.Name;
            IReadOnlyList<string> fieldInFieldGroup = filedGroup.FieldNames;
            bool isEditRestriction = filedGroup.IsRestrictive;

            int contingencyId = contingency.ID;
            Subtype subtype = contingency.Subtype;
            bool isContingencyRetired = contingency.IsRetired;

            // Contingent values 
            IReadOnlyDictionary<string, ContingentValue> contingentValuesByFieldName = contingency.GetContingentValues();
            foreach (KeyValuePair<string, ContingentValue> contingentValueKeyValuePair in contingentValuesByFieldName)
            {
                string attributeFieldName = contingentValueKeyValuePair.Key;

                // Contingent value type associated with the attribute field
                ContingentValue contingentValue = contingentValueKeyValuePair.Value;

                switch (contingentValue)
                {
                    case ContingentCodedValue contingentCodedValue:
                        string codedValueDomainName = contingentCodedValue.Name;
                        object codedValueDomainValue = contingentCodedValue.CodedValue;
                        break;
                    case ContingentRangeValue contingentRangeValue:
                        object rangeDomainMaxValue = contingentRangeValue.Max;
                        object rangeDomainMinValue = contingentRangeValue.Min;
                        break;
                    case ContingentAnyValue contingentAnyValue:
                        // Any value type
                        break;
                    case ContingentNullValue contingentNullValue:
                        // Null value
                        break;
                }
            }
        }
    }
}

public void ValidateContingentValues(FeatureClass parcels, string zoningFieldName = "Zone", string taxCodeFieldName = "TaxCode")
{
    using (RowBuffer rowBuffer = parcels.CreateRowBuffer())
    {
        // Insert values in a row buffer
        rowBuffer[zoningFieldName] = "Business";
        rowBuffer[taxCodeFieldName] = "TaxB";

        // Validate contingency values of the parcels' row 
        ContingencyValidationResult contingencyValidationResult = parcels.ValidateContingencies(rowBuffer);

        // Valid contingencies
        IReadOnlyList<Contingency> matchedContingencies = contingencyValidationResult.Matches;
        if (matchedContingencies.Count > 0)
        {
            // Create a row with valid contingency values
            parcels.CreateRow(rowBuffer);
        }

        // Invalid contingencies
        IReadOnlyList<ContingencyViolation> violatedContingencies = contingencyValidationResult.Violations;
        foreach (ContingencyViolation contingencyViolation in violatedContingencies)
        {
            ContingencyViolationType violationType = contingencyViolation.Type;
            Contingency violatedContingency = contingencyViolation.Contingency;
        }
    }
}

public void GetPossibleContingentValues(FeatureClass parcels, string zoningFieldName = "Zone")
{
    using (RowBuffer rowBuffer = parcels.CreateRowBuffer())
    {
        IReadOnlyDictionary<FieldGroup, IReadOnlyList<ContingentValue>> possibleZonings = parcels.GetContingentValues(rowBuffer, zoningFieldName);
        IEnumerable<FieldGroup> possibleFieldGroups = possibleZonings.Keys;
        foreach (FieldGroup possibleFieldGroup in possibleFieldGroups)
        {
            IReadOnlyList<ContingentValue> possibleZoningValues = possibleZonings[possibleFieldGroup];
            foreach (ContingentValue possibleZoningValue in possibleZoningValues)
            {
                switch (possibleZoningValue)
                {
                    case ContingentCodedValue codedValue:
                        string codedValueDomainName = codedValue.Name;
                        object codedValueDomainValue = codedValue.CodedValue;
                        break;
                    case ContingentRangeValue rangeValue:
                        object rangeDomainMaxValue = rangeValue.Max;
                        object rangeDomainMinValue = rangeValue.Min;
                        break;
                    case ContingentAnyValue contingentAnyValue:
                        // Any value type
                        break;
                    case ContingentNullValue contingentNullValue:
                        // Null value
                        break;
                }
            }
        }
    }
}

public async Task CreatingARow()
{
    string message = String.Empty;
    bool creationResult = false;
    EditOperation editOperation = new EditOperation();

    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {

        using (Geodatabase geodatabase = new Geodatabase(
    new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        using (Table enterpriseTable = geodatabase.OpenDataset<Table>("LocalGovernment.GDB.piCIPCost"))
        {

            //var geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(uri)) for a File GDB
            //
            //var shapeFileConnPath = new FileSystemConnectionPath(uri, FileSystemDatastoreType.Shapefile);
            //var shapefile = new FileSystemDatastore(shapeFileConnPath);
            //var table = shapefile.OpenDataset<Table>(strShapeFileName); for a Shape file

            //declare the callback here. We are not executing it .yet.
            editOperation.Callback(context =>
      {
          TableDefinition tableDefinition = enterpriseTable.GetDefinition();
          int assetNameIndex = tableDefinition.FindField("ASSETNA");

          using (RowBuffer rowBuffer = enterpriseTable.CreateRowBuffer())
          {
              // Either the field index or the field name can be used in the indexer.
              rowBuffer[assetNameIndex] = "wMain";
              rowBuffer["COST"] = 700;
              rowBuffer["ACTION"] = "Open Cut";

              // subtype value for "Abandon".
              rowBuffer[tableDefinition.GetSubtypeField()] = 3;

              using (Row row = enterpriseTable.CreateRow(rowBuffer))
              {
                  // To Indicate that the attribute table has to be updated.
                  context.Invalidate(row);
              }
          }
      }, enterpriseTable);

            try
            {
                creationResult = editOperation.Execute();
                if (!creationResult) message = editOperation.ErrorMessage;
            }
            catch (GeodatabaseException exObj)
            {
                message = exObj.Message;
            }
        }
    });

    if (!string.IsNullOrEmpty(message))
        MessageBox.Show(message);

}

public async Task CreatingAFeature()
{
    string message = String.Empty;
    bool creationResult = false;

    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        using (FeatureClass enterpriseFeatureClass = geodatabase.OpenDataset<FeatureClass>("LocalGovernment.GDB.FacilitySite"))
        {
            //var geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(uri)) for a File GDB
            //
            //var shapeFileConnPath = new FileSystemConnectionPath(uri, FileSystemDatastoreType.Shapefile);
            //var shapefile = new FileSystemDatastore(shapeFileConnPath);
            //var table = shapefile.OpenDataset<Table>(strShapeFileName); for a Shape file

            //declare the callback here. We are not executing it yet
            EditOperation editOperation = new EditOperation();
            editOperation.Callback(context =>
      {
          FeatureClassDefinition facilitySiteDefinition = enterpriseFeatureClass.GetDefinition();
          int facilityIdIndex = facilitySiteDefinition.FindField("FACILITYID");

          using (RowBuffer rowBuffer = enterpriseFeatureClass.CreateRowBuffer())
          {
              // Either the field index or the field name can be used in the indexer.
              rowBuffer[facilityIdIndex] = "wMain";
              rowBuffer["NAME"] = "Griffith Park";
              rowBuffer["OWNTYPE"] = "Municipal";
              rowBuffer["FCODE"] = "Park";
              // Add it to Public Attractions Subtype.
              rowBuffer[facilitySiteDefinition.GetSubtypeField()] = 820;

              List<Coordinate2D> newCoordinates = new List<Coordinate2D>
            {
          new Coordinate2D(1021570, 1880583),
          new Coordinate2D(1028730, 1880994),
          new Coordinate2D(1029718, 1875644),
          new Coordinate2D(1021405, 1875397)
              };

              rowBuffer[facilitySiteDefinition.GetShapeField()] = new PolygonBuilderEx(newCoordinates).ToGeometry();

              using (Feature feature = enterpriseFeatureClass.CreateRow(rowBuffer))
              {
                  //To Indicate that the attribute table has to be updated
                  context.Invalidate(feature);
              }
          }

      }, enterpriseFeatureClass);

            try
            {
                creationResult = editOperation.Execute();
                if (!creationResult) message = editOperation.ErrorMessage;
            }
            catch (GeodatabaseException exObj)
            {
                message = exObj.Message;
            }
        }
    });

    if (!string.IsNullOrEmpty(message))
        MessageBox.Show(message);
}

public async Task ModifyingARow()
{
    string message = String.Empty;
    bool modificationResult = false;

    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        using (Table enterpriseTable = geodatabase.OpenDataset<Table>("LocalGovernment.GDB.piCIPCost"))
        {
            //var geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(uri)) for a File GDB
            //
            //var shapeFileConnPath = new FileSystemConnectionPath(uri, FileSystemDatastoreType.Shapefile);
            //var shapefile = new FileSystemDatastore(shapeFileConnPath);
            //var table = shapefile.OpenDataset<Table>(strShapeFileName); for a Shape file

            EditOperation editOperation = new EditOperation();
            editOperation.Callback(context =>
      {
          QueryFilter openCutFilter = new QueryFilter { WhereClause = "ACTION = 'Open Cut'" };

          using (RowCursor rowCursor = enterpriseTable.Search(openCutFilter, false))
          {
              TableDefinition tableDefinition = enterpriseTable.GetDefinition();
              int subtypeFieldIndex = tableDefinition.FindField(tableDefinition.GetSubtypeField());

              while (rowCursor.MoveNext())
              {
                  using (Row row = rowCursor.Current)
                  {
                      // In order to update the Map and/or the attribute table.
                      // Has to be called before any changes are made to the row.
                      context.Invalidate(row);

                      row["ASSETNA"] = "wMainOpenCut";

                      if (Convert.ToDouble(row["COST"]) > 700)
                      {
                          // Abandon asset if cost is higher than 700 (if that is what you want to do).
                          row["ACTION"] = "Open Cut Abandon";
                          row[subtypeFieldIndex] = 3; //subtype value for "Abandon"   
                      }

                      //After all the changes are done, persist it.
                      row.Store();

                      // Has to be called after the store too.
                      context.Invalidate(row);
                  }
              }
          }
      }, enterpriseTable);

            try
            {
                modificationResult = editOperation.Execute();
                if (!modificationResult) message = editOperation.ErrorMessage;
            }
            catch (GeodatabaseException exObj)
            {
                message = exObj.Message;
            }
        }
    });

    if (!string.IsNullOrEmpty(message))
        MessageBox.Show(message);
}

public async Task ModifyingAFeature()
{
    string message = String.Empty;
    bool modificationResult = false;

    await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
    {
        using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
        using (FeatureClass enterpriseFeatureClass = geodatabase.OpenDataset<FeatureClass>("LocalGovernment.GDB.FacilitySite"))
        {

            //var geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(uri)) for a File GDB
            //
            //var shapeFileConnPath = new FileSystemConnectionPath(uri, FileSystemDatastoreType.Shapefile);
            //var shapefile = new FileSystemDatastore(shapeFileConnPath);
            //var table = shapefile.OpenDataset<Table>(strShapeFileName); for a Shape file

            FeatureClassDefinition facilitySiteDefinition = enterpriseFeatureClass.GetDefinition();

            int ownTypeIndex = facilitySiteDefinition.FindField("OWNTYPE");
            int areaIndex = facilitySiteDefinition.FindField(facilitySiteDefinition.GetAreaField());

            EditOperation editOperation = new EditOperation();
            editOperation.Callback(context =>
      {
          QueryFilter queryFilter = new QueryFilter { WhereClause = "FCODE = 'Hazardous Materials Facility' AND OWNTYPE = 'Private'" };

          using (RowCursor rowCursor = enterpriseFeatureClass.Search(queryFilter, false))
          {
              while (rowCursor.MoveNext())
              {
                  using (Feature feature = (Feature)rowCursor.Current)
                  {
                      // In order to update the Map and/or the attribute table.
                      // Has to be called before any changes are made to the row
                      context.Invalidate(feature);

                      // Transfer all Hazardous Material Facilities to the City.
                      feature[ownTypeIndex] = "Municipal";

                      if (Convert.ToDouble(feature[areaIndex]) > 50000)
                      {
                          // Set the Shape of the feature to whatever you need.
                          List<Coordinate2D> newCoordinates = new List<Coordinate2D>
                  {
              new Coordinate2D(1021570, 1880583),
              new Coordinate2D(1028730, 1880994),
              new Coordinate2D(1029718, 1875644),
              new Coordinate2D(1021405, 1875397)
                  };

                          feature.SetShape(new PolygonBuilderEx(newCoordinates).ToGeometry());
                      }

                      feature.Store();

                      // Has to be called after the store too
                      context.Invalidate(feature);
                  }
              }
          }
      }, enterpriseFeatureClass);

            try
            {
                modificationResult = editOperation.Execute();
                if (!modificationResult) message = editOperation.ErrorMessage;
            }
            catch (GeodatabaseException exObj)
            {
                message = exObj.Message;
            }
        }
    });

    if (!string.IsNullOrEmpty(message))
        MessageBox.Show(message);
}