you can use onchange but then you don't have to have a submit button
because after every change your form is submitted.
On 7/3/07, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
On 7/3/07, Johan Compagner <[EMAIL PROTECTED]> wrote:
>
> first AjaxFormValidationBehavior doesn't do client side (javascript)
> validation.
> it calls the server and does this by submitting the form.
>
> so if you change the field where you have this validation on.
> And then you directly click a submit button yes it will be done twice.
> first the fields onchange is triggered (or the button i dont know what
> the browser sees first)
> then the button click.
>
> so yes you get 2 form submits
>
> But i don't know where you add that form on and what onchange you
> trigger
>
> because this:
> add( new AjaxFormValidatingBehavior( this, "onchange" ) );
>
> seems to me that you add this to a forms onchange? (because this needs
> to be a form)
> but i guess you mean
>
> textfield.add ( new AjaxFormValidatingBehavior( this, "onchange" ) );
the problem here is that onchange is fired when the focus is lost from the
field. so if you are on that field and you click the submit button this will
result in two form-submittals that are very very close to each other. thus
the double submit that you see. you should add validatingbehavior to
onkeyup, and make sure to set a throttle so it doesnt flood your server.
-igor
johan
>
>
>
>
> On 7/3/07, David Leangen < [EMAIL PROTECTED]> wrote:
> >
> >
> > Hi, Eelco,
> >
> > I guess I found why this was happening, but somehow this doesn't seem
> > right to me.
> >
> > I had been experimenting with adding this
> >
> > add( new AjaxFormValidatingBehavior( this, "onchange" ) );
> >
> > to my RequiredTextField. It never did work for me, but I thought I'd
> > get
> > back to it later.
> >
> > [When I say "it doesn't work", I mean that there is no Javascript
> > validation (which IIUC is what's supposed to happen).]
> >
> > Anyway, when I add this behaviour, onSubmit() is getting called twice
> > for some reason, which at least for me is definitely not the desired
> > behaviour of my form.
> >
> >
> > Is this the expected behaviour, or is something wrong?
> >
> >
> > Cheers,
> > Dave
> >
> >
> >
> >
> >
> > On Mon, 2007-07-02 at 21:51 -0700, Eelco Hillenius wrote:
> > > > onSubmit(), and consequently the code I have in that overridden
> > method,
> > > > is being called twice.
> > > >
> > > > I'm wondering if it's my misunderstanding of how Wicket works, and
> > this
> > > > behaviour is intended, or if I somehow introduced a bug in my
> > code.
> > > >
> > > > If this is caused by my error, does anybody have any hints as to
> > where I
> > > > can look to find the source of this method's being called twice?
> > >
> > > That should definitively not happen. Can you tell us again what
> > Wicket
> > > version you are using, and can you set a break point in your
> > onSubmit
> > > method and tell us the trace?
> > >
> > > Eelco
> >
> >
> >
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