Rails - Jul 2011 - [Rails 3.0.9] I have trouble about fields_for

Hi,all. I''m new bee to Rails and I have trouble about fields_for
method..
It isn''t show up between the <%= f.fields ~ <% end %>

Please teach me some advice.
Thanks!

#new/_form.html.erb
<%= form_for(@user) do |f| %>

  <div class="field">
    <%= f.label :name %><br />
    <%= f.text_field :name %>
  </div>

 <!-- Below the code doesn''t show up.(<%= f.fields ... <% end
%>) -->

    <%= f.fields_for :entry do |entry_form| %>

      Title:<br/>
    <%= entry_form.text_field :title %>


    <% end %>
    <br/>
    <%= f.submit "Create" %>
<% end %>

# user.rb

class Entry < ActiveRecord::Base
  belongs_to :user
end

# entry.rb

class User < ActiveRecord::Base
  has_many  :entries
  accepts_nested_attributes_for :entries

end

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You can''t refer entries as entry in your form. I think you want a
has_one relationship between user and entry.

On Mon, Jul 25, 2011 at 1:07 PM, harashin
<haradashinya-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hi,all. I''m new bee to Rails and I have trouble about fields_for
> method..
> It isn''t show up between the <%= f.fields ~ <% end %>
>
> Please teach me some advice.
> Thanks!
>
> #new/_form.html.erb
> <%= form_for(@user) do |f| %>
>
>  <div class="field">
>    <%= f.label :name %><br />
>    <%= f.text_field :name %>
>  </div>
>
>  <!-- Below the code doesn''t show up.(<%= f.fields ... <%
end %>) -->
>
>    <%= f.fields_for :entry do |entry_form| %>
>
>      Title:<br/>
>    <%= entry_form.text_field :title %>
>
>
>    <% end %>
>    <br/>
>    <%= f.submit "Create" %>
> <% end %>
>
> # user.rb
>
> class Entry < ActiveRecord::Base
>  belongs_to :user
> end
>
> # entry.rb
>
> class User < ActiveRecord::Base
>  has_many  :entries
>  accepts_nested_attributes_for :entries
>
> end
>
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>
>
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On 25 July 2011 10:07, harashin
<haradashinya-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hi,all. I''m new bee to Rails and I have trouble about fields_for
> method..
> It isn''t show up between the <%= f.fields ~ <% end %>
>
> Please teach me some advice.
> Thanks!
>
> #new/_form.html.erb
> <%= form_for(@user) do |f| %>
>
>  <div class="field">
>    <%= f.label :name %><br />
>    <%= f.text_field :name %>
>  </div>
>
>  <!-- Below the code doesn''t show up.(<%= f.fields ... <%
end %>) -->
>
>    <%= f.fields_for :entry do |entry_form| %>
<%= f.fields_for :entries do |entry_form| %>

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On 25 July 2011 11:39, Sameer Rafiq
<sameer.rafiq-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> You can''t refer entries as entry in your form. I think you want a
> has_one relationship between user and entry.
if user has_many entries then in the form you can do fields_for :entries

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Thanks Maruo,Sammer!  I edit the entry to entries. And I add new Action to
> @post.tags build
then it worked fine!
But I don''t know @post.tags.build mean. Please teach me about this
mean?

#post_controller.rb
> def new
> @post = Post.new
> @post.tags.build
tags is table name.

table name : tags
table columns *tag_name

tnanks!

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