Hmmm,

So this isn't a unique problem then?

Thanks everyone for the responses

Tim Winters
Creative Development Manager
Sampling Technologies Incorporated

1600 Bedford Highway, Suite 212
Bedford, Nova Scotia
B4A 1E8
www.samplingtechnologies.com
[EMAIL PROTECTED]
[EMAIL PROTECTED]
Office: 902 450 5500
Cell: 902 430 8498
Fax:: 902 484 7115


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: August 20, 2003 2:37 PM
To: [EMAIL PROTECTED]
Subject: Re: [PHP] back button and forms

Hi,

One of the problems Tim, is that POST is not usualy cached on the client

side. Even proxies seem to respect that rule and do not cache the page 
if the method was a POST. If you are sending non critical data and the 
volume is small you might want to consider a switch from POST to GET for

some of the pages at least.

all the best


Tim Winters wrote:

>Hello,
> 
>I have a series of forms set over a few pages.  The entries are stored
>in session vars and the whole shebang is written to mySQL via PHP at
the
>end of the series of forms.  When the user hits the back button an
error
>message comes up with the following
> 
>Warning: Page has Expired 
>The page you requested was created using information you submitted in a
>form. This page is no longer available. As a security precaution,
>Internet Explorer does not automatically resubmit your information for
>you. 
>
>To resubmit your information and view this Web page, click the Refresh
>button. 
> 
> 
>Is there any way to avoid this from happening?
> 
>Thx
> 
>Tim Winters
>Creative Development Manager
>Sampling Technologies Incorporated
> 
>1600 Bedford Highway, Suite 212
>Bedford, Nova Scotia
>B4A 1E8
>www.samplingtechnologies.com
>[EMAIL PROTECTED]
>[EMAIL PROTECTED]
>Office: 902 450 5500
>Cell: 902 430 8498
>Fax:: 902 484 7115
> 
>
>  
>


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