Maybe you could store the old value in a state object ? It's described in chapter four of Enjoying Web Development with tapestry, and as it turns out the first four chapters are freely downloadable from;
http://agileskills2.org/EWDT/ Then you can save the latest or last value in that object, which will survive between pages (or user sessions) as you wish. You could even have a queue which you could use for undo. Cheers, PS On 5/29/06, Stephane Decleire <[EMAIL PROTECTED]> wrote:
Perhaps i took a wrong approach ... In fact, i need to apply specific code if a particular field of my form has been updated and not in the other case. So i need to compare the old to the new value of this field but i can't find a way to get the old value after the form has benn submitted ... Stephane Decleire wrote: > Hi all, > > I need to get the old value of a form field in the listener of this > form but i can't get this value before it's been updated with the data > submitted by the client ... > Any idea is welcome ! > -- Stéphane Decleire 05 56 57 99 20 06 63 78 69 06
