Also, since you already have selectedCountryId in your @PropertySelection,
why use @Hidden ?

For the javascript docs that relate to form handling, see
http://tapestry.apache.org/tapestry4.1/javascript/form.html

On Nov 28, 2007 11:53 AM, nkonstantinou <[EMAIL PROTECTED]> wrote:
> I'm facing s strange behaviour with T4.1.3. The problem goes like this: I
> have a form
>
>                     <form jwcid="[EMAIL PROTECTED]"
>                           delegate="ognl:beans.validationDelegate"
>                           success="listener:onQuoteSubmit"
>                           updateComponents="selectCountry"
>                           method="literal:get"
>                           action="#">
>
>  that has two select components
>
>                             <select jwcid="selectCountry"
>                                     onchange="javascript:this.form.submit
> ();">
>                               <option value="1154">AUSTRIA</option>
>                               <option value="1035">USA</option>
>                             </select>
> and
>
>                             <select jwcid="selectRegion"
>                                     onchange="javascript:this.form.submit
> ();">
>                               <option value="0">Entire country</option>
>                               <option value="247">Attika</option>
>                               <option value="257">Thrace</option>
>                             </select>
>
> So, what I want is when the user selects another country, to update the
> regions. Inside the form, I keep a
>                       <input type="hidden"
>                              jwcid="@Hidden"
>                              value="ognl:selectedCountryId"
>                              listener="listener:onQuoteSubmit" />
>
> because as I understand from the manuals, this is the proper way to refresh
> a property's value.
>
> The .page contains
>
>   <component id="selectCountry" type="PropertySelection">
>     <binding name="model" value="countrySelectionModel"/>
>     <binding name="value" value="selectedCountryId"/>
>   </component>
>
>   <component id="selectRegion" type="PropertySelection">
>     <binding name="model" value="regionSelectionModel"/>
>     <binding name="value" value="selectedRegionId"/>
>   </component>
>
> Now the thing is that when I change the value of one of the drop-down lists:
>  - Firefox (v.2.0.10) displays the page "Problem loading page" with contents
> "The connection was reset. The connection to the server was reset while the
> page was loading..." (the dreadful screen with the yellow exclamation mark,
> I believe it is even worse than error 500 :)
>
>  - Internet Explorer 6 finds an error in javascript, specifically: Invalid
> syntax, line 977, which is as selectCountry is rendered by Tapestry:
> <select name="selectCountry" id="selectCountry" onchange="javascript:
> this.form.submit();">
>
> So, the question is: Shouldn't Tapestry produce some kind of an error in the
> first case? I googled a while but my search was not fruitful, nobody seems
> to have a "Problem loading page". I 'm looking at the code blindly.
>
> Second, is there some other way I should submit the form?
> Third, can I avoid the hidden components? I speculate there is a problem
> with DataSqueezer, at least when I remove the hidden components I get some
> kind of error
>



-- 
Andreas Andreou - [EMAIL PROTECTED] - http://blog.andyhot.gr
Tapestry / Tacos developer
Open Source / JEE Consulting

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