associations - Get id form another table, rails -
i have table test having fields 'user_id' , 'post_id'. user_id fetch current_user.id , post_id post table. do: in test controller:- def create @user = current_user @test = test.new(params[:test]) @post = post.find(params[:id]) @test.post_id = @post.id @test.user_id = @user.id respond_to |format| @test.save format.html { redirect_to(:back, :notice => "successfull") } else format.html { render :action => "new" } end end in models, create association:- in test.rb: belongs_to :post in post.rb: has_many :test the view page is: = form_for @test, :validate => true |f| .span = f.text_field :email, :placeholder =>"email address" .span = f.label :name = f.text_field :name .span = f.submit "save" the user_id save post_id give error: called id nil, mistakenly 4 -- if wanted id of nil, use object_id how can resolve problem ? is standard mes
