On Thursday 01 March 2001 21:41, Brinkman, Theodore wrote:
> A tactic I've been planning to use, but don't know if it actually works or
> not, is to disable the button first thing in its onClick so the second
> click occurs on a disabled button. Does anybody know if this actually
> works or not?
<script language="javascript">
<!--
var submitpressed;
submitpressed=0;
function submitcheck()
{
if(submitpressed)
return false;
submitpressed=1;
return true;
}
//-->
</script>
<input type=button value="Submit" onClick="return submitcheck();">
> - Theo
>
> -----Original Message-----
> From: John Huggins [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, February 28, 2001 3:04 PM
> To: Manuel Lemos; [EMAIL PROTECTED]
> Subject: RE: [PHP] Double Click
>
>
> If you are lucky and are feeding this form data to a database, you can
> create a unique hash field from other fields that would not change from
> click 1 to click 2. Then just make the database treat the hash as a
> unique index and it should prevent double entries. Works for me.
>
> Other advice is to not tell the double clicker that had an error; Just
> silently ignore their second request.
>
> > -----Original Message-----
> > From: Manuel Lemos [mailto:[EMAIL PROTECTED]]
> > Sent: Wednesday, February 28, 2001 2:55 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [PHP] Double Click
> >
> >
> > Hello Fabian,
> >
> > On 28-Feb-01 03:01:02, you wrote:
> > >Hi,
> > >
> > >I have a page, and when I have to add a product I use a form,
> >
> > many people are
> >
> > >used to make double click in every task, so when the product is
> >
> > sent with a
> >
> > >double click in the send button, the program send it twice to
> >
> > the data base.
> >
> > >What can I do to prevent this?
> >
> > You may want to try this forms generation class that lets you define a
> > warning message that shows when the user attempts to submit a form more
> > than once.
> >
> > http://phpclasses.UpperDesign.com/browse.html/package/1
> >
> > Regards,
> > Manuel Lemos
> >
> > Web Programming Components using PHP Classes.
> > Look at: http://phpclasses.UpperDesign.com/?[EMAIL PROTECTED]
> > --
> > E-mail: [EMAIL PROTECTED]
> > URL: http://www.mlemos.e-na.net/
> > PGP key: http://www.mlemos.e-na.net/ManuelLemos.pgp
> > --
> >
> >
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