the way it works now, with a redirect after post, is that if you press
refresh there will be no repost. if they press the back button then they can
submit the form again.
without redirect the only difference is that refreshing the page that shows
after the form has been submitted will ask the user to resubmit - which is
bad. it is much better if they are forwarded to a view page that they can
refresh safely. which is what the "redirect after post" pattern does.
-igor
On 5/14/07, Lowell Kirsh <[EMAIL PROTECTED]> wrote:
But I want the browser to ask that, because a re-post is dangerous.
Perhpas the dangerous logic should be in the submission page instead
of the results page.
On 5/14/07, Johan Compagner <[EMAIL PROTECTED]> wrote:
> you should do a redirect.
>
> Because if i do a refresh of the browser with the form url in it
> i think think the browser ask me do you want to resubmit it (and i guess
> that is a post again??)
>
> johan
>
>
> On 5/14/07, Lowell Kirsh <[EMAIL PROTECTED]> wrote:
> > Hi, I'm not sure I understand what you just said. I think I do have
> > the url of the post in my browser. That is, now that I have set
> > redirect=false, when you reload the results page, it will execute the
> > logic (with side effects) again. But I'm thinking perhaps I'm doing
> > this wrong.
> >
> > Basically, I have a form and a results page. The way I have it now is
> > that during the rendering of the results page, the side-effect-having
> > logic gets executed. But I just realized another way of doing this
> > would be to have that logic execute in the form page, and then pass
> > the results of that to the results page. In general, when you have a
> > form and a results page, do you want to put the side effect logic (eg.
> > a database insert) in the form page or in the results page?
> >
> > On 5/13/07, Johan Compagner <[EMAIL PROTECTED]> wrote:
> > > but you don't submit again because in the browser you never
> > > have the url of the post (at least in the default settings of
wicket)
> > > because then we always do a redirect after post
> > >
> > > johan
> > >
> > >
> > >
> > > On 5/12/07, Lowell Kirsh < [EMAIL PROTECTED]> wrote:
> > > > > why would you test for post in the resulting page?
> > > >
> > > > The page has side effects, so if you are viewing it in your
browser
> > > > and press refresh, it should not execute again. Or at least, there
> > > > should be a warning before submitting.
> > > >
> > > > I think my best bet is to not try to overload the functionality of
> > > > this page. I will probably create another page for programmatic
> > > > access.
> > > >
> > > > > A form will be submitted to a page. (that will be done in a page
and
> > > then
> > > > > method should be post)
> > > > > then a redirect will happen to a page that you set as a result
page
> (or
> > > it
> > > > > is the same)
> > > > > and that page will not be in a post but will be in a get
> > > > >
> > > > > but how do you set the result page?
> > > > > you can try setRedirect(false) after you set the result page.
> > > > >
> > > > > How is your webservice access your page? that does the post to
the
> form?
> > > > > But then you are in the submit and you know you are ok.
> > > > >
> > > > > johan
> > > > >
> > > > >
> > > > >
> > > > > On 5/11/07, Lowell Kirsh <[EMAIL PROTECTED] > wrote:
> > > > > >
> > > > > > I want some of my pages to be accessed programatically.
Basically,
> > > > > > that page may be accessed as a 'web service'. So the same page
may
> be
> > > > > > arrived at in 2 ways - the result of a form submission from
> another
> > > > > > page in the same app, or the result of a direct http
connection.
> When
> > > > > > accessed as a web service, there are a few extra requirements
-
> the
> > > > > > page must be POSTed to, and there must be an extra http
request
> header
> > > > > > for authorization.
> > > > > >
> > > > > > I was thinking that the page could make sure that it always is
> POSTed
> > > > > > to, but when arrived at in the context of a form submission in
the
> > > > > > application, it apparently ends up being the result of a
redirect
> > > > > > after the form post, so the page does not think it was posted
to.
> So I
> > > > > > think perhaps the page should only ensure it was posted to if
it's
> > > > > > from outside the application. Is there a way for the page to
know
> that
> > > > > > its referrer is another page in the same application? Check
the
> > > > > > referrer header?
> > > > > >
> > > > > > Is trying to overload this page like this crazy? I thought it
> would be
> > > > > > less work and a cleaner design, but am not sure when I should
just
> > > > > > give up.
> > > > > >
> > > > > > Lowell
> > > > > >
> > > > > >
> > > > >
> > >
>
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