Discover the issue :   I had to write correctly my form_for

        <% form_for :user, @user, ...

and not         <% form_for :user

Oops

On 2 juil, 00:04, Erwin <[email protected]> wrote:
> I have a User model
>
> class User < ActiveRecord::Base
>  has_one :account
>   accepts_nested_attributes_for :account, :allow_destroy => true
>   validates_associated :account
>   attr_accessible :account_attributes
>
>  is working fine, validating and updating both records (User and
> Account), but I caanot display the value in the form when is updated,
> ex:  below  the firstname is not displayed but it's in the db account
> record
> #<User id: 1, email: "[email protected]", ..
> #<Account id: 4, user_id: 1, title: 0, first_name: "Yves", ...
>
> my view
> ...
>                 <% form_for :user, :url => { :action => "update" }  do 
> |user_form|
> %>
>                   <% user_form.fields_for :account_attributes do 
> |account_fields| %>
>
>                     <li>
>                                 <label for="user_firstname">First Name</label>
>                                 <%= account_fields.text_field :first_name, 
> :size => "30"  %>
>                         </li>
> .....
>
> what am I missing ?
>
> thanks for your help
>
> erwin
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