Hi Oren,

Try this "accepts_nested_attributes_for :versions" in the location.rb
file.

Cheers!

On Apr 7, 1:30 am, oren <[email protected]> wrote:
>  ActiveRecord::UnknownAttributeError in LocationsController#update
>
> unknown attribute: version
>
> RAILS_ROOT: /home/oren/misc/projects/borderstylo/content
>
> /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
> active_record/base.rb:2746:in `attributes='
> /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
> active_record/base.rb:2742:in `each'
> /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
> active_record/base.rb:2742:in `attributes='
> /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
> active_record/base.rb:2628:in `update_attributes'
> /home/oren/misc/projects/borderstylo/content/app/controllers/
> locations_controller.rb:29:in `update'
>
> On Apr 7, 3:31 am, Ryan Waldron <[email protected]> wrote:
>
>
>
> > Where's the error message?
>
> > On Tue, Apr 6, 2010 at 8:49 PM, oren <[email protected]> wrote:
> > > I try to update a nested model (version) and get this error.  any tips
> > > would be great!
>
> > > my models: location has_many :versions
>
> > > # view
>
> > >  <% form_for location do |location_form| %>
> > >    <ul class="location">
> > >      <li><%= location_form.label location.section %></li>
> > >      <li><%= location_form.label location.sub_section %></li>
> > >      <li><%= location_form.label location.place_holder %></li>
> > >    </ul>
>
> > >    <div class="content-area">
> > >       <% location.versions.each do |version| %>
> > >          <div class="content" >
> > >            <% location_form.fields_for version do |version_form| %>
> > >              <%= version_form.label version.environment %>
> > >              <%= version_form.text_area :content %>
> > >            <% end %>
> > >          </div>
> > >      <% end %>
> > >      <%= submit_tag %>
> > >    </div>
>
> > >  <% end %>
>
> > > #controller
>
> > >  def update
> > >   �...@location = Location.find(params[:id])
> > >   �[email protected]_attributes(params[:location]) #error: unknown
> > > attribute: version
> > >    redirect_to( locations_path )
> > >  end
>
> > > # the params
>
> > > {"location"=>{"version"=>{"content"=>"hello human. glass robot want
> > > you to join Glass"}}, "commit"=>"Save changes",
> > > "authenticity_token"=>"l59NxAeIeHnvaVt+1xQV2e9NpDIS8nPpQ4RY+hU0k7w=",
> > > "id"=>"2"}
>
> > > --
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