> http://blog.hulihanapplications.com/browse/view/55-ruby-on-rails-mult...

> then i got some errors
> **********************************************

> (erb):6:in `template': compile error (SyntaxError)
> (erb):3: syntax error, unexpected $undefined
> ...orm", :locals => {:object => @<%= singular_name ).to_s); _er...
>                               ^
> (erb):3: syntax error, unexpected '}', expecting ')'
> ...s); _erbout.concat ", :f => f} %> \n\n<%= link_to 'Show', @"
>                               ^
> (erb):5: syntax error, unexpected tIDENTIFIER, expecting ')'
> ...out.concat " %> |\n<%= link_to 'Back', "
>                               ^
> (erb):6: syntax error, unexpected tIDENTIFIER, expecting ')'
> ; _erbout.concat(( plural_name ).to_s); _erbout.concat "_path %>\n"
>                                                              ^
> (erb):6: unterminated string meets end of file
> (erb):6: syntax error, unexpected $end, expecting ')'
> ; _erbout
>          ^

> My edit page is
> **********************************************

> <h1>Editing <%= singular_name %></h1>

> <%= render :partial => "_form", :locals => {:object => @<%=
> singular_name %>, :f => f} %>

> <%%= link_to 'Show', @<%= singular_name %> %> |
> <%%= link_to 'Back', <%= plural_name %>_path %>

> My partial form "form" is

>     <% for column in object.class.columns %>
>       <% if column.name != "id" %>
>       <div class="field">
>         <div class="label">
>           <%= f.label "#{column.name}".to_sym  %>
>       </div>

>         <% if column.type == :integer || column.type == :float ||
> column.type == :string %>
>         <% if column.name =~ /_id$/ # is this a id/foreign key field %>
>           <% column_class = column.name.gsub(/_id$/,
> '').classify.constantize %>
>           <% if column_class %>
>             <%= collection_select(object.class.name.underscore.to_sym,
> column.name.to_sym, column_class.all, :id, :name, :prompt => true) %>
>           <% else %>
>             <%= f.text_field column.name.to_sym  %>
>           <% end %>
>         <% else %>
>           <%= f.text_field column.name.to_sym  %>
>         <% end %>
>       <% elsif column.type == :text %>
>         <%= f.text_area column.name.to_sym  %>
>       <% elsif column.type == :datetime %>
>         <%= f.datetime_select column.name.to_sym  %>
>       <% elsif column.type == :boolean %>
>         <%= f.check_box column.name.to_sym  %>
>       <% else %>
>         <% # Unknown Column Type %>
>       <% end %>
>       </div>
>     <% end %>
>     <% end %>

> This was the default edit page
> **********************************************

> <h1>Editing <%= singular_name %></h1>

> <%% form_for(@<%= singular_name %>) do |f| %>
>   <%%= f.error_messages %>

> <% for attribute in attributes -%>
>   <p>
>     <%%= f.label :<%= attribute.name %> %><br />
>     <%%= f.<%= attribute.field_type %> :<%= attribute.name %> %>
>   </p>
> <% end -%>
>   <p>
>     <%%= f.submit 'Update' %>
>   </p>
> <%% end %>

> <%%= link_to 'Show', @<%= singular_name %> %> |
> <%%= link_to 'Back', <%= plural_name %>_path %>

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> def edit
>     @<%= file_name %> = <%= class_name %>.find(params[:id])
>   end

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> On Tue, Oct 30, 2012 at 3:58 PM, Sreekesh O. <li...@ruby-forum.com> wrote:

>> The controller code for edit view:
>> ******************************************

>> def edit
>>     @<%= file_name %> = <%= class_name %>.find(params[:id])
>>   end

>> --
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>> To post to this group, send email to rubyonrails-talk@googlegroups.com.
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>  --
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>>>     @<%= file_name %> = <%= class_name %>.find(params[:id])
>>>   end

> you are using erb code inside the controller.  i don't get why you want
> to
> do this or if it's even
> possible to do it like this.  start with the basic tutorials first
> before
> you go ahead with what you're
> trying to do.

>>> For more options, visit https://groups.google.com/groups/opt_out.

> --

> def edit
>      @<%= file_name %> = <%= class_name %>.find(params[:id])
>    end