Posted by Michael Fesser on 08/03/07 11:13

..oO(larry@portcommodore.com)

>This saves from errors of opening multiple windows as well as
>resubmission when using the back button.

It's not only about resubmission. If a page is the result of a POST
request, most (all?) browsers will show a warning if the user uses the
back button to move back to that POST-result page. Usually you'll then
get something like "page expired", either in the window itself or as a
popup. Doing a redirect to the same page after the POST prevents that.

Micha

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