request.addHeader("Wicket-Ajax-BaseURL", url.toString());
request.addHeader("Wicket-Ajax", "true");
if (behavior instanceof AjaxFormSubmitBehavior)
{
AjaxFormSubmitBehavior formSubmitBehavior = (AjaxFormSubmitBehavior)behavior;
Form<?> form = formSubmitBehavior.getForm();
getRequest().setUseMultiPartContentType(form.isMultiPart());
serializeFormToRequest(form);
// mark behavior's component as the form submitter,
String name = Form.getRootFormRelativeId(new PropertyModel<Component>(behavior,