there are however workarounds for this problem, didn't try it myself but
here's a howto using a hidden iframe which might work:
http://www.dooriented.com/blog/2008/04/23/wicket-ajax-like-file-upload-on-a-modal-window/


Martijn Dashorst wrote:
> 
> This is not something we can decide. It is a limitation of Ajax, HTML,
> Browsers.
> 
> Martijn
> 
> On 4/29/08, nanotech <[EMAIL PROTECTED]> wrote:
>>
>>  Hi,
>>
>>  Will there be support in future for Ajax + multipart forms?
>>
>>  Thanks,
>>  RG
>>
>>
>>
>>  igor.vaynberg wrote:
>>  >
>>  > it is a known limitation...you cannot mix ajax and multipart forms..
>>  >
>>  > -igor
>>  >
>>  >
>>  > On Tue, Feb 26, 2008 at 3:40 PM, Dan Kaplan <[EMAIL PROTECTED]>
>>  > wrote:
>>  >> Hello,
>>  >>
>>  >>  If I use: AjaxFormValidatingBehavior.addToAllFormComponents(form,
>>  >> "onblur");
>>  >>  On a form that has a fileuploadfield, it throws an exception when I
>> blur
>>  >>  another field.  Is there a work around/solution to this (for now,
>> I'd be
>>  >>  happy to only validate the one field I want)?  Here is the stack
>> trace:
>>  >>
>>  >>  java.lang.IllegalStateException: ServletRequest does not contain
>>  >> multipart
>>  >>  content
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.protocol.http.servlet.MultipartServletWebRequest.<init>(Mu
>>  >>  ltipartServletWebRequest.java:90)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.extensions.ajax.markup.html.form.upload.UploadWebRequest$M
>>  >>  ultipartRequest.<init>(UploadWebRequest.java:97)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.extensions.ajax.markup.html.form.upload.UploadWebRequest.n
>>  >>  ewMultipartWebRequest(UploadWebRequest.java:74)
>>  >>      at
>>  >> 
>> org.apache.wicket.markup.html.form.Form.handleMultiPart(Form.java:1414)
>>  >>      at
>>  >> 
>> org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:740)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.ajax.form.AjaxFormSubmitBehavior.onEvent(AjaxFormSubmitBeh
>>  >>  avior.java:127)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:161)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefault
>>  >>  AjaxBehavior.java:288)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.request.target.component.listener.BehaviorRequestTarget.pr
>>  >>  ocessEvents(BehaviorRequestTarget.java:100)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(Abstra
>>  >>  ctRequestCycleProcessor.java:90)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:116
>>  >>  6)
>>  >>      at org.apache.wicket.RequestCycle.step(RequestCycle.java:1241)
>>  >>      at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1316)
>>  >>      at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:354)
>>  >>      at
>>  >>
>>  >>
>> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:194)
>>  >>
>>  >>
>>  >>
>>  >> 
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>>  >
>>
>>
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>>
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> 
> 
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> 


-----
Michael Sparer
http://talk-on-tech.blogspot.com
-- 
View this message in context: 
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Sent from the Wicket - User mailing list archive at Nabble.com.


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