Rails - May 2008 - Problem with rjs accessing a controller instance variable.

> Hello.
>
> My rjs cannot obtain the instance variable set up in the associated
> controller method.  I have described the code below.  Will
> appreciate any thoughts on "why".  I am using InstantRails on
Windows XP
> with the Rails version of 2.0.2.
>
> I have the following code (simplified)
>
> in LearnController.rb
>
>  def page_via_ajax
>    # debugger
>    render :layout => false
>    puts("in LearnController.page_via_ajax method")
>    @my_page_id = "pg_7"
>  end
>
>
> in page_via_ajax.rjs
>
> puts("in page_via_ajax.rjs")
> puts("@my_page_id:#{@my_page_id}:")
>
>
> System output:
>
> in LearnController.page_via_ajax method
> in page_via_ajax.rjs
> @my_page_id::
>
>
> Apparently the rjs file does not get the value of the @my_page_id instance 
> variable created in the controller.
>
> What are the reasons and what is the solution?
>
>
> With thanks and regards,
>
> Abbas
> 

--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Ruby on Rails: Talk" group.
To post to this group, send email to
rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
To unsubscribe from this group, send email to
rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
For more options, visit this group at
http://groups.google.com/group/rubyonrails-talk?hl=en
-~----------~----~----~----~------~----~------~--~---

On 18 May 2008, at 13:51, Abbas K. Sutarwala wrote:
>
>> Hello.
>>
>> My rjs cannot obtain the instance variable set up in the associated
>> controller method.  I have described the code below.  Will
>> appreciate any thoughts on "why".  I am using InstantRails on
>> Windows XP
>> with the Rails version of 2.0.2.
>>
>> I have the following code (simplified)
>>
>> in LearnController.rb
>>
>> def page_via_ajax
>>   # debugger
>>   render :layout => false
>>   puts("in LearnController.page_via_ajax method")
>>   @my_page_id = "pg_7"
>> end
>>
>>
>>
>> Apparently the rjs file does not get the value of the @my_page_id  
>> instance
>> variable created in the controller.
>>
>> What are the reasons and what is the solution?
>>
The render happens when you call render (is this surprising?), and you  
assign to @my_page_id after you call render.

Fred

--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Ruby on Rails: Talk" group.
To post to this group, send email to
rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
To unsubscribe from this group, send email to
rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
For more options, visit this group at
http://groups.google.com/group/rubyonrails-talk?hl=en
-~----------~----~----~----~------~----~------~--~---

Thanks, Fred!

I assumed that "render :layout => false" was a configuration
setting
which would be used whenever Rails renders and did not realise that
the statement would actually render!

With regards,
Abbas


On May 18, 8:18 pm, Frederick Cheung
<frederick.che...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On 18 May 2008, at 13:51, Abbas K. Sutarwala wrote:
>
>
>
>
>
> >> Hello.
>
> >> My rjs cannot obtain the instance variable set up in the
associated
> >> controller method.  I have described the code below.  Will
> >> appreciate any thoughts on "why".  I am using
InstantRails on
> >> Windows XP
> >> with the Rails version of 2.0.2.
>
> >> I have the following code (simplified)
>
> >> in LearnController.rb
>
> >> def page_via_ajax
> >>   # debugger
> >>   render :layout => false
> >>   puts("in LearnController.page_via_ajax method")
> >>   @my_page_id = "pg_7"
> >> end
>
> >> Apparently the rjs file does not get the value of the @my_page_id
> >> instance
> >> variable created in the controller.
>
> >> What are the reasons and what is the solution?
>
> The render happens when you call render (is this surprising?), and you
> assign to @my_page_id after you call render.
>
> Fred
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Ruby on Rails: Talk" group.
To post to this group, send email to
rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
To unsubscribe from this group, send email to
rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
For more options, visit this group at
http://groups.google.com/group/rubyonrails-talk?hl=en
-~----------~----~----~----~------~----~------~--~---