I had a similar problem .. I couldn't get a page to expire no matter what tags I tried
.. after much trawling I found this code .. which fixed it for me .. hope this saves
you some time and hair-pulling! :�)
Regards
Stephen Pope
<HEAD>
<script language="javascript"> <!--
// this code and associated form is to workaround
// a bug in Internet Explorer that will show a cached version
// when the back button is used. the reload is not
// triggered by Netscape since it properly never gets
// the page from the cache.
function onload_reloadme () {
if (document.reloadme_form.reloadme_field.value == "reloadme" ) {
self.location.reload(true)
} else {
document.reloadme_form.reloadme_field.value = "reloadme";
}
// set the focus to the first non-hidden field on the second
// form - the first form is always the reloadme_form below.
if (document.forms[1]) {
for (i=0; i<document.forms[1].elements.length; i++) {
if (document.forms[1].elements[i].type.toLowerCase() != "hidden") {
document.forms[1].elements[i].focus();
break;
}
}
}
}
// -->
</script>
<form name="reloadme_form"><input type=hidden name="reloadme_field"
value="dontreloadme"></form>
</HEAD>
<BODY onLoad="onload_reloadme()">
-----Original Message-----
From: Kola Oyedeji [mailto:[EMAIL PROTECTED]
Sent: 26 November 2003 15:25
To: [EMAIL PROTECTED]
Subject: [ cf-dev ] Preventing browser page caching
Okay so I've always assumed that the following should always force the
browser to refresh:
<META HTTP-EQUIV="Expires" CONTENT="Mon, 01 Jan 1970 23:59:59 GMT">
<META HTTP-EQUIV="Content-Type" content="text/html;
charset=WINDOWS-1250">
<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
<META HTTP-EQUIV="cache-control" CONTENT="no-cache, no-store,
must-revalidate">
After doing a few tests it appears that this code will not refresh a
page returned to using the back button.
Can anyone see anything wrong with the above?
Thanks
Kola
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