Rails - Jun 2008 - render :update vs. render :partial -> need :update help

I am trying to make a render :update work, and couldn''t find anything
on
the forums or in books on what I am doing wrong:

def index
  render :update do |page|
         page.replace_html ''asection'', :text =>
''99'' (or :partial =>
''somepartial'' etc.)
  end
end

this never works. Instead, the javascript is rendered on the page -
perhaps because it failed? -
instead of the result of the execution itself. Once, an alert was
actually popped up (so it did execute in one case, but failed). In most
cases, nothing happens other than the replacement of the element by the
javascript code, which looks something like:


try { Element.update("asection", "99\n"); } catch (e) {
alert(''RJS
error:\n\n'' + e.toString());
alert(''Element.update(\"asection\",
\"99\\n\");''); throw e }

replacing
<div id=''asection''>
   replace me
</div>

the following always works, I don''t have a problem with basic partials:

def index
  render :partial => ''somepartial''
end

in both cases, the controller is called from a
periodically_call_remote
statement

What am I doing wrong? Thanks in advance for any assistance.
-- 
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On 5 Jun 2008, at 17:36, DJ Cole wrote:
>
> try { Element.update("asection", "99\n"); } catch (e) {
alert(''RJS
> error:\n\n'' + e.toString());
alert(''Element.update(\"asection\",
> \"99\\n\");''); throw e }
>
> replacing
> <div id=''asection''>
>   replace me
> </div>
>
> the following always works, I don''t have a problem with basic  
> partials:
>
> def index
>  render :partial => ''somepartial''
> end
>
> in both cases, the controller is called from a
> periodically_call_remote
> statement
>
Are you passing :update to periodically_call_remote? If so, don''t  
(that tells prototype that you''ll be giving it a chunk of data to  
insert rather than some js to execute.

Fred
> What am I doing wrong? Thanks in advance for any assistance.
> -- 
> Posted via http://www.ruby-forum.com/.
>
> >

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Most likely you''re using th :update option of periodically_call_remote

In this case it expects pure html as response and will treat your js as 
such
Just kkep out the :update, your page.replace tells the browser what to 
replace anyway
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