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On Exit

Posted on 1999-01-06
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Last Modified: 2010-04-09
Hi experts,
  I like to ask how can I detect in my asp codes when
user left my asp page .
  I would like to delete the users record in the database
  when he leave the page .
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Question by:seahpc
8 Comments
 
LVL 5

Expert Comment

by:Christian_Wenz
ID: 1841417
you could try something with the onunload event-handler of the BODY tag, but why not saving (on each page) the "last-seen" time of the user, and (via a server-side process) deleting all entries with a "last-seen" date older than -say 30 minutes.
unfortunately, there is no way of detecting if some completely other page is loaded in the browser - or the browser is closed.
If you use MPS, you can set the delete time for old UIDs on a very low value.
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LVL 1

Expert Comment

by:acsmith
ID: 1841418
are we talking about a user leaving a specific page or leaving your site altogether? if it's leaving the site altogether, you can use the session_onend sub in global.asa to do the cleaning up, although depending on how they leave, it may not get called until the session times out (default 20 mins).
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Expert Comment

by:nathans
ID: 1841419
What are we trying to do?
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LVL 4

Accepted Solution

by:
jbrugman earned 200 total points
ID: 1841420
Try JavaScript:
<BODY onUnload="JavaScript:alert('bye')">
if that won't work:
<BODY onUnload="alert('bye')">
or:
<meta http-equiv="Page-Exit" content="what to do"
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LVL 5

Expert Comment

by:Christian_Wenz
ID: 1841421
seahpc, are you still following this discussion?
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LVL 5

Expert Comment

by:Christian_Wenz
ID: 1841422
no comments on jbrugman's answer (as it doesn't quite help you with the problem)?
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LVL 4

Expert Comment

by:jbrugman
ID: 1841423
well, it's only to detect when someone extis. Then you can erase that one from the database.
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LVL 5

Expert Comment

by:Christian_Wenz
ID: 1841424
no offense, but using client-side JavaScript, that's not too easy - and the user could also exit to another page within the system, so I was wondering why seahpc was satisfied with this solution.
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