Hi,
I've been playing around with sending an "invisible" form using
FormPanel:
FormPanel form = new FormPanel();
form.setAction(url);
form.setMethod(FormPanel.METHOD_POST);
form.setEncoding(FormPanel.ENCODING_URLENCODED);
form.add(new Hidden("abc", "xyz"));
form.addSubmitCompleteHandler(new SubmitCompleteHandler() {...});
form.setVisible(false);
RootPanel.get().add(form);
I have a couple questions regarding this:
1- If I do not add the form to the RootPanel, the browser opens a new
window for the response, and the SubmitCompleteHandler event is never
fired. Is it necessary to add the form to the RootPanel to get the
correct functionality?
2- If I do add the form to the RootPanel, would I have to somehow
remove it later on? Since this code may be executed an arbitrary
number of times would that cause a problem (memory leak or something)?
Thanks,
Abdullah
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