I've been looking at this recently. Their appear to be two classes of
solutions:

1) Client side logic in Javascript. All links, menu options etc. execute
some javascript which can decide not to change the current page, but
ask/force the user to save first.

2) Server side logic. All navigation etc. is done through the DispatchAction
for the current page. When the user navigates off the current page the
Action has an opportunity to prevent that, by forwarding back to the inout
page.

The server based solution seems preferable - otherwise there is a bunch of
control logic going into the view component.

HTH,

Paul

> -----Original Message-----
> From: koen boutsen [mailto:[EMAIL PROTECTED]
> Sent: 25 November 2003 14:09
> To: [EMAIL PROTECTED]
> Subject: save form fields
> 
> 
> hi
> 
> In my form, a user enters data for an organisation. Via a 
> save button, these data are saved in the database.
> My problem is : when the user clicks on a link in the main 
> menu of my application before hitting the save button, he 
> looses the not-saved information and goes to another page.
> Does anyone know how I can get a pop-up message that alerts 
> my user if he pushes a button or link outside the form before 
> he has saved his information ?
> 
> Thanks
> 
> Koen
> 
> 
> 
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