Asp.Net and Session - some Interesting Facts

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vikram.lakhotia@gmail.com - 30 Sep 2007 22:23 GMT

Hi,
Yesterday I was discussion with my colleagues about session and a few
interesting things popped up. So I thought I would share the same with
all.

<a href=http://www.vikramlakhotia.com/
A_few_interesting_things_about_session_in_AspNet.aspx>
http://www.vikramlakhotia.com/A_few_interesting_things_about_session_in_AspNet.a
spx</a>

Vikram
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JustLikeThat.vikramlakhotia.com</a>
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Göran Andersson - 30 Sep 2007 22:40 GMT

> Hi,
> Yesterday I was discussion with my colleagues about session and a few
[quoted text clipped - 4 lines]
> A_few_interesting_things_about_session_in_AspNet.aspx>
> http://www.vikramlakhotia.com/A_few_interesting_things_about_session_in_AspNet.a
spx</a>

> Session Class has two methods. Session.Abondon() and Session.Clear().
> Both the methods are used to clear the data in the session. Both the
> methods clear the data in the session.

No, they don't. Session.Clear removes the session variables, but
Session.Abandon doesn't remove anything at all from the session, it only
flags the session object to be abandoned after the request has been handled.

> But there is one difference between them. Session.Abondon() will
> Session_end event will be fired and session_start event will be fired
> on the next request.

Yes, of course. Abandoning the session will end it, and the next request
will start a new session. Clearing the session variables doesn't end the
session.

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Göran Andersson
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Mark Rae [MVP] - 01 Oct 2007 00:00 GMT

> Session Class has two methods. Session.Abondon() and Session.Clear().

Firstly, it's Abandon, not Abondon...

Secondly, the Session object has eight methods, not two:
http://msdn2.microsoft.com/en-us/library/system.web.sessionstate.httpsessionstat
e.abandon(vs.80).aspx

And thirdly (as Göran has pointed out), your distinction between the
Abandon() and Clear() methods is incorrect...

I suggest you remove the blog entry...

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Mark Rae
ASP.NET MVP
http://www.markrae.net

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Asp.Net and Session - some Interesting Facts

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