hi,
When i am trying to render the data from the table i am getting the
following error
Action Controller: Exception caught
You have a nil object when you didn't expect it!
The error occurred while evaluating nil.items
app/views/categories/_list.rhtml:13:in
`_run_erb_47app47views47categories47_list46rhtml'
app/views/categories/index.html.erb:9:in
`_run_erb_47app47views47categories47index46html46erb'
app/controllers/categories_controller.rb:18:in `index'
:1:in `initialize'
please help me in this
On Tue, Nov 11, 2008 at 9:42 PM, G. Sobrinho <[EMAIL PROTECTED]>wrote:
> Please, post your AS version, Rails version and Ruby version
>
> venkat veerla escreveu:
>
> class UsersController < ApplicationController
>
> layout "activescaffold"
>
> active_scaffold :user do |config|
> config.columns = [:id, :name, :photo, :first_name, :middle_name,
> :last_name, :phone_number, :email_address,
> :login, :password, :roles, :aliases, :addresses]
>
> config.columns[:phone_number].description = "(Format: ###-###-####)"
> config.columns[:phone_number].label = "Phone"
>
> config.create.columns.exclude :id, :name
> config.update.columns.exclude :id, :name
> config.list.columns.exclude :first_name, :middle_name, :last_name,
> :password, :phone_number
> config.subform.columns = [:first_name, :last_name, :login, :password]
>
> config.list.sorting = {:login => 'ASC'}
>
> config.nested.add_link "Names", [:aliases]
>
> config.create.columns.exclude(:first_name, :middle_name, :last_name,
> :phone_number)
> config.create.columns.add_subgroup "Personal Data" do |group|
> group.add(:first_name, :middle_name, :last_name, :phone_number)
> end
> end
> end
>
> this is my controller
>
>
> On Tue, Nov 11, 2008 at 5:01 PM, G. Sobrinho <[EMAIL PROTECTED]>wrote:
>
>>
>> This error is about you try to set label, or other property, in a
>> inexistent column.
>>
>> Please, post your controller
>>
>> Pandu escreveu:
>> > Hi All,
>> > I am using Active Scaffold plug in in rails. I am able to
>> > create a form and i am able to display the labels.
>> > But while we displaying the content it is giving the following
>> > problem.
>> >
>> > Called id for nil, which would mistakenly be 4 -- if you really wanted
>> > the id of nil, use object_id
>> >
>> > and following errors
>> >
>> > You have a nil object when you didn't expect it!
>> > The error occurred while evaluating nil.items
>> >
>> > vendor/plugins/active_scaffold/frontends/default/views/_list.rhtml:
>> > 13:in
>> >
>> `_run_erb_47vendor47plugins47active_scaffold47frontends47default47views47_list46rhtml'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/gems/1.8/gems/
>> > actionpack-2.0.2/lib/action_view/base.rb:637:in
>> > `compile_and_render_template'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/gems/1.8/gems/
>> > actionpack-2.0.2/lib/action_view/base.rb:365:in `render_template'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/gems/1.8/gems/
>> > actionpack-2.0.2/lib/action_view/base.rb:316:in `render_file'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/gems/1.8/gems/
>> > actionpack-2.0.2/lib/action_view/base.rb:331:in `render'
>> > vendor/plugins/active_scaffold/lib/extensions/action_view_rendering.rb:
>> > 60:in `render_with_active_scaffold'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/gems/1.8/gems/
>> > actionpack-2.0.2/lib/action_view/partials.rb:117:in `render_partial'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/gems/1.8/gems/
>> > actionpack-2.0.2/lib/action_controller/benchmarking.rb:26:in
>> > `benchmark'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/1.8/
>> > benchmark.rb:293:in `measure'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/1.8/
>> > benchmark.rb:307:in `realtime'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/gems/1.8/gems/
>> > actionpack-2.0.2/lib/action_controller/benchmarking.rb:26:in
>> > `benchmark'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/gems/1.8/gems/
>> > actionpack-2.0.2/lib/action_view/partials.rb:116:in `render_partial'
>> > vendor/plugins/active_scaffold/lib/extensions/action_view_rendering.rb:
>> > 70:in `render_partial_with_active_scaffold'
>> > C:/Program Files/NetBeans 6.1/ruby2/jruby-1.1/lib/ruby/gems/1.8/gems/
>> > actionpack-2.0.2/lib/action_view/base.rb:352:in `render'
>> > vendor/plugins/active_scaffold/lib/extensions/action_view_rendering.rb:
>> > 60:in `render_with_active_scaffold'
>> > app/views/users/index.html.erb:10:in
>> > `_run_erb_47app47views47users47index46html46erb'
>> > app/controllers/users_controller.rb:55:in `index'
>> > :1:in `initialize'
>> >
>> >
>> > Please help me... Thanks in Advance
>> > >
>> >
>>
>>
>>
>
>
>
> >
>
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