Expire and No-Cache of Web Pages in Internet Explorer

Detailed Description:

Example to expire and have no-caching of Web pages in Internet Explorer:

http://support.microsoft.com/default.aspx?scid=kb;EN-US;q222064

< HTML >

< HEAD >

< META HTTP-EQUIV="REFRESH" CONTENT="5">

< TITLE> Pragma No-cache < /TITLE>

< /HEAD>

< BODY>

  LANSA HTML code etc... belongs here

< /BODY>

< HEAD>

< META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE" />

< META HTTP-EQUIV="EXPIRES" CONTENT="-1" />

< /HEAD>

< /HTML>

Note:  For the tag:

           < meta http-equiv="expires" content="-1" /> :

-1 means do not cache and expire straight away.

Therefore, when the user click the Back button, they will get the warning: Page has Expired - Please Refresh or resubmit information etc.... in internet explorer.

Note: these meta tags need to be within the HEAD section. This is very important.