No. It is to avoid that the same person clicks twice by mistake
(perhaps because the page is slow to load) and the form is processed
twice. Think of [add chart] and when you click twice you add twice to
chart by mistake.
Massimo
On Apr 25, 4:52 am, Pynthon Pynthon <forumx...@gmail.com> wrote:
> So its for that not two people can has the same session_ID and cannot send
> the form?
>
> 2009/4/24 mdipierro <mdipie...@cs.depaul.edu>
>
>
>
> > It is optional. If it is there is associate a unique ID to each form
> > to prevent double form submission.
>
> > Massimo
>
> > On Apr 24, 2:02 pm, Pynthon <forumx...@gmail.com> wrote:
> > > Hahaha, sorry for my bad English. The if form.accepts(request.vars):
> > > means if the sended information passed the validation right? But what
> > > does the session mean? I know what sessions are but why here?
>
> > > Thanks
>
> > > On Apr 24, 7:30 pm, Yannick <ytchatch...@gmail.com> wrote:
>
> > > > Oups sorry if i did understand your original question... I still don't
> > > > see what it is that you don't understand...
> > > > The view doesn't display ??
>
> > > > Yannick P.
>
> > > > On Apr 24, 11:45 am, Pynthon Pynthon <forumx...@gmail.com> wrote:
>
> > > > > Thanks, I understand that already but when I only do:
> > > > > if form.accepts():
>
> > > > > Then I can't go to the view.
>
> > > > > 2009/4/24 Yannick <ytchatch...@gmail.com>
>
> > > > > > Hello Pynthon,
>
> > > > > > Request.vars : It is used to get the values of the form you send
> > from
> > > > > > the view in the server side
> > > > > > Session: it is used to access values stored in your session (If
> > any)
> > > > > > in the server side
>
> > > > > > I hope it helps,
> > > > > > Yannick P.
>
> > > > > > On Apr 24, 11:12 am, Pynthon <forumx...@gmail.com> wrote:
> > > > > > > Hello I got this in my controller:
>
> > > > > > > def index():
> > > > > > > return("Hallo Wereld")
>
> > > > > > > def first():
> > > > > > > form = FORM(INPUT(_name = 'naam', requires = IS_NOT_EMPTY()),
> > > > > > > INPUT(_type = 'submit'))
> > > > > > > if form.accepts(request.vars, session):
> > > > > > > session.naam = form.vars.naam
> > > > > > > redirect(URL(r = request, f = 'second'))
>
> > > > > > > return dict(form = form)
>
> > > > > > > def second():
> > > > > > > if not session.naam:
> > > > > > > redirect(URL(r = request, f = first))
> > > > > > > return dict()
>
> > > > > > > def delete():
> > > > > > > session.naam = None
> > > > > > > return "Loguit"
>
> > > > > > > I created the delete option by myself =D (:P). However I have a
> > > > > > > question about this piece of code:
> > > > > > > if form.accepts(request.vars, session):
>
> > > > > > > I know what form.accepts mean but what does the request.vars and
> > > > > > > session?
>
> > > > > > > Thanks!
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