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Chetan,
Chetan Pandey wrote:
> To avoid this problem I introduced the following
> request.getSession().setAttribute("eventForm", new EventForm()).
If you are using Struts form beans, it might be better to blank the
existing bean instead of creating a new one. Something like this:
EventForm ef = (EventForm)form;
ef.setFoo(null);
ef.setBar(null);
// etc.
> I go to the form page and then click add. It goes to the Preview page.
> Everything shows perfectly. Now I click on the Back Button. Lo and Behold
> !!!!! The Add Fields are all empty.
What browser are you using? Is your setup action being executed again,
or is the browser serving the page from the cache? If the browser is not
contacting the server, there's nothing you can do.
(Actually, that's not true... if you are using javascript to do some
funny things with the form, submission, etc., then you are likely
causing your own problems. If, however, your form is standard then the
browser /should/ be keeping the form data there if you do a SUBMIT
followed by a BACK).
If the browser /is/ contacting the server, then you need to look at what
is happening in your action. For instance, if the above code is running,
then /of course/ you are ending up with a blank bean.
One way around this would be to put an action /in front/ of the editing
action that blanks any existing form bean and then redirects (not
forwards) to the editing action (which does /not/ blank the bean). In
this case, you'll get a fresh bean for editing, but pressing BACK will
result in the user returning to the "edit" action instead of the
"blank-and-then-edit" action. Of course, if the user presses BACK twice,
then you'll get a blank bean again. ;)
Hope that helps,
- -chris
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