エラーが発生します
ActionView::Template::Error (undefined method `values_at' for nil:NilClass):
ネストされたフォームgemを使用する場合
これが私のコードです
モデル
class Poll < ActiveRecord::Base
attr_accessible :question, :poll_answers_attributes
has_many :poll_answers
accepts_nested_attributes_for :poll_answers
end
class PollAnswer < ActiveRecord::Base
belongs_to :poll
attr_accessible :answer
end
意見
=nested_form_for [:admin, @poll], mutipart: true, class: "form-horizontal" do |f|
.span6
.control-group
=f.label :question, class: "control-label"
.controls
=f.text_field :question, rows: "5", class: "span5"
= f.link_to_add "Add a Answer", :poll_answers
=f.submit "Create Post", class: "btn btn-primary"
スタックトレース
/home/abid/.bundler/ruby/1.9.1/nested_form-6232dd853c27/lib/nested_form/builder_mixin.rb:41:in `block in link_to_add'
/home/abid/.bundler/ruby/1.9.1/nested_form-6232dd853c27/lib/nested_form/view_helper.rb:53:in `call'
/home/abid/.bundler/ruby/1.9.1/nested_form-6232dd853c27/lib/nested_form/view_helper.rb:53:in `after_nested_form_callbacks'
/home/abid/.bundler/ruby/1.9.1/nested_form-6232dd853c27/lib/nested_form/view_helper.rb:8:in `block in nested_form_for'
何か案は ?