Rails - Oct 2006 - onchange="document.forms[0].submit()" - how to CANCEL

Goal: I want to auto-send a form whenever any field changes. The page 
will be updated "via Ajax", so standard submission is cancelled.

Idea: Add onchange="document.forms[0].submit();" to every field

Problem: Can not cancel form submission. Browser redirects to
"results"
page, which is of course JavaScript meant to dynamically update the 
page.

RHTML snippet:
<%
remote_form_for :estate, :url => { :action => :evaluate_secondhand_flat 
} do |form|
%>
<%form.select :province, Constants.provinces_constant, options = {}, 
:onchange => "javascript: document.forms[0].submit(); /*RETURN FALSE 
DOES NOT WORK HERE*/"
%>

HTML snippet:

<form action="/wycena/evaluate_secondhand_flat"
method="post"
onsubmit="new
Ajax.Request(''/wycena/evaluate_secondhand_flat'',
{asynchronous:true, evalScripts:true, parameters:Form.serialize(this)}); 
return false;">

    <select id="estate_province" name="estate[province]" 
onchange="document.forms[0].submit();">


Please note, that onsubmit already ends with "return false;" but the 
cancellation works only with standard submition via submit button.

Thanks in advance!

-- 
Posted via http://www.ruby-forum.com/.

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On 10/28/06, Qertoip
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> Goal: I want to auto-send a form whenever any field changes. The page
> will be updated "via Ajax", so standard submission is cancelled.
onchange="this.form.onsubmit;"
-- 
Calle Dybedahl -*- cdybedahl-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

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On 28 October 2006 14:41, Qertoip wrote:
> Goal: I want to auto-send a form whenever any field changes. The page
> will be updated "via Ajax", so standard submission is cancelled.
>
> Idea: Add onchange="document.forms[0].submit();" to every field
I think, the better idea would be to use Rails''
"observe_form" helper method
which eliminates all the pain of adding onchange handlers to each control.

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