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ASP loading form cache irritates me

Posted on 1998-11-26
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Last Modified: 2013-12-25
I have one ASP with a button. After pressing the button, onclick event fires and sets window.location.href to another ASP page. That page should display data from the database, but it displays the old version of page with old data form IE's cache. How can I force the page to refresh after loading or how can I force it to always get the fresh data regardless what's in the cache?

Bocian...
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Question by:Bocian
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4 Comments
 
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Expert Comment

by:vendrig
ID: 1856759
Are you sure it's IE cache? Because there's a server cache as well. You can turn it off, but I can't tell you how at this moment. It's in the docs though, or maybe a kind soul here can tell you.
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Author Comment

by:Bocian
ID: 1856760
It's IE's cache because I can switch it off in Internet settings on my local computer. But I cannot rely on the fact that everybody will have this cache disabled. In most cases it's enabled. When i request the page as follows:
 http:// bla bla bla/mycleverpage.asp?param=value&param2=value2
and the same request is buffered, it is displayed from the cache with the old data, but the actual data has changed meanwhile...
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Accepted Solution

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Wiz_of_Oz earned 400 total points
ID: 1856761
to skip the cacheing of a page insert the following line into your HEAD section...

<meta http-equiv="PRAGMA" value="NO-CACHE">
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Expert Comment

by:bslavin
ID: 1856762
Or you can use:

<%Response.Expires = 0%>

Which will not allow the server to cache the page.
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