I'm not sure but if you look at

http://api.rubyonrails.org/classes/ActiveRecord/NestedAttributes/ClassMethods.html

<http://api.rubyonrails.org/classes/ActiveRecord/NestedAttributes/ClassMethods.html>your
params does not have the same format as the one stated in the link.  It
should be

"contact_methods_attributes"=>[{"details"=>"test", "id"=>"1",
"_destroy"=>"false"}]

On Fri, Feb 11, 2011 at 11:28 AM, Tim Uckun <[email protected]> wrote:

> On Fri, Feb 11, 2011 at 4:07 PM, Jim Ruther Nill <[email protected]> wrote:
> > i don't know if location is a special term or not. But I have a question,
> do
> > have an attr_accessible line in your user model?
> > If you do, check that you have the location attribute listed there.
>
> DOH!. Yes that was the problem...
>
> Now for the second part....
>
> class User
>  has_many :contact_methods
>  accepts_nested_attributes_for :contact_methods,  :allow_destroy => true
>
> end
>
> The form has this (from above)
>
>  = render 'contact_methods' , {:f => f}
>
> the partial looks like this.
>
>  = f.fields_for  :contact_methods  do |c|
>      %tr
>        %td
>          = c.object.icon.nil? ? nil : image_tag(c.icon) #
>        %td
>          = c.text_field :details ,:class => "text-input"
>        %td
>          - unless c.object.new_record?
>            = c.hidden_field :_destroy
>            = link_to 'Delete', '#', :class => 'delete_contact_method'
>
>
> This displays the records fine, submits them as
> "contact_methods_attributes"=>{"0"=>{"details"=>"test", "id"=>"1",
> "_destroy"=>"false"}} but it won't update them.
>
> There is no error message and @user.save! does not throw an exception.
>
> I created the contact method by hand but it won't delete it or update it.
>
> The ContactMethod has no attr_accessable and I added :contact_methods
> to the user attr list
>
> So why doesn't the nested_atrributes work?
>
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