Thank you for your answer. One more thing. Since I am trying to submit an inner form (which has been rendered as a div) and which does not contain a FileUploadField, why would wicket use an IFrame? Is the decision being made based on the outer form for all ajax submit links?
On Thu, Feb 12, 2015 at 11:41 PM, Martin Grigorov <[email protected]> wrote: > Hi, > > Yes, it does. > When there is a file input in the form Wicket needs to use an IFrame to be > able to send the binary data because XmlHttpRequest v1 (IE 8/9/10 I think) > doesn't support sending binary. > The related code is at > > https://github.com/apache/wicket/blob/master/wicket-core/src/main/java/org/apache/wicket/ajax/res/js/wicket-ajax-jquery.js#L623 > > Martin Grigorov > Wicket Training and Consulting > https://twitter.com/mtgrigorov > > On Thu, Feb 12, 2015 at 11:36 PM, mscoon <[email protected]> wrote: > > > Since no-one has responded, let me try to rephrase the question: is > wicket > > doing something different when submitting a form via ajx without and > with a > > FileUploadField? If yes, could you please give me some pointers in the > code > > to look at? > > > > Thanks > > Marios > > > > On Tue, Feb 10, 2015 at 4:36 PM, mscoon <[email protected]> wrote: > > > > > Hi all, > > > > > > We are seeing strange behavior in a form that contains a > FileUploadField > > > when submitted with an AjaxSubmitLink. What happens is: > > > 1. The form is embedded in another form, so wicket renders it as a div > > > 2. The form is removed from it's parent element and placed within a > > JQuery > > > dialog > > > 3. The outher form contains a FileUploadField > > > > > > When the inner form is submitted we get the following error in the ajax > > > debug panel: > > > "Cannot submit form with id criteria69 because there is no form element > > in the hierarchy." > > > > > > Removing the FileUploadField makes the error disappear, even though > there > > > is no form element in the hierarchy due to step (2) above. > > > > > > Any ideas why this is happening? > > > > > > Thanks > > > Marios > > > > > >
