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Posted by ABC on 05/09/07 11:52
On May 7, 7:26 pm, Jerry Stuckle <jstuck...@attglobal.net> wrote:
> ABC wrote:
> > Hi,
>
> > I have a problem with Double submission in html forms.
> > I am using PHP as the server side scripting language, i have found a
> > means to capture the second form submission while the first form
> > submission is still in-progress. Basically, i can use sessions to
> > check if the first submission is active and reject subsequent submits.
>
> > ***I do not want to try any client side solution(such as disabling
> > submit button) as hitting F5 on the screen will re-post the data
> > again.
>
> > My question is :
> > (*) if i send some kind of output to the browser telling the user
> > that a previous session is active, then how do i ensure that the first
> > form submission's output is displayed to the user on the browser
> > window?
>
> > I tried, print messages like- Please wait. But somehow the first form
> > submission's output is not printed...I am guessing the browser closes
> > the connection after the second submission's output is received and
> > first submission has no where to send the output.
>
> > I hope, i have been able to express my problem clearly.
>
> > Please help!
>
> > Raghu
>
> Hmmm, let's see.
>
> How about the page you're posting to outputs a "Please wait" and flushes
> the output, then starts processing. Might not work in all browsers -
> but in most it should clear the screen and give the "please wait" message.
>
> --
> ==================
> Remove the "x" from my email address
> Jerry Stuckle
> JDS Computer Training Corp.
> jstuck...@attglobal.net
> ==================- Hide quoted text -
>
> - Show quoted text -
Hi Thanks for your help so far,
I have heard the struts framework supports Synchronizer token pattern
to handle this kind of problem.
But didnt understand it well. I suppose this is a common problem
encountered..
Do let me know your thoughts on this...
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