Belongs to association - railsadminteam/rails_admin GitHub Wiki

class Player < ActiveRecord::Base
  belongs_to :team, :inverse_of => :players   # dropdown select: belongs_to association
  # or for nested fields: 
  accepts_nested_attributes_for :team, :allow_destroy => true
end

# for info
class Team < ActiveRecord::Base
  has_many :players, :inverse_of => :team
end

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