The submit button for your form is the AjaxButton that Michael mentioned below. You use that instead of a normal button and in the onSubmit method you fire off your web services and any other stuff you need. You also have available the AjaxRequestTarget which you then 'add' the label to the page again, which essentially refreshes the label.

very simply:

AjaxButton submitButton = new AjaxButton("submit") {
        protected void onSubmit(AjaxRequestTarget target, Form form) {
                target.addComponent(yourLabel);
                        
        }
};

You'll need to update your label text as well don't forget.

But you could use a progressbar if you wanted as well.


cheers,
Steve






On 18 Dec 2008, at 12:56, lizz wrote:


But the problem is that the user shouldnt have to press any button to update
the labels...


Michael Sparer wrote:

Sure,

use a simple Label and an AjaxButton, set setOutputMarkupId = true on the
label and add it in the onSubmit method to the ajaxrequesttarget
(target.addComponent(label)).
But I'd also recommend taking a look at the Progressbar (search the
mailinglist) - that might suits you better

lizz wrote:

Hi,
I need to add end user information (progress information) after submit button is pressed and before being redirected to a new page. I would like
to add this information by updating some labels.
When the user presses the submit button 4 web services are called before
I am redirecting to a new page.
Since each of these calls takes a long time I would like to change the text (progress info) in a label when each web service call is finished.
(So that the user sees what happends.)

Is there a label with an ajax behevior that can be used?

Use case:
User presses the submit button
   web service method 1 is called
      when method 1 is finished i will update the text on a label
component
   then web service method 2 is called
      when method 2 is finished i will update the text on the label
   etc etc
when all web service methods are finished: setResponsePage - a new
page

Any idea?




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