i have get the username in session variable while im login, after i logged in i checked whether the session object(username) is null or not to get the username displayed in my page.if the session object is null i make the page to redirect to login page again. but at certain point if i click any link in any of my page after login it redirected me to Login page, but i havent click logout button. why it makes the session null. wat has to be placed to carry out the session variable througout the pages i visit, instead i click logout it should not be cleared / null- asp.net
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you need to show your sssion check?Muhammad Akhtar– Muhammad Akhtar2009-12-07 06:35:51 +00:00Commented Dec 7, 2009 at 6:35
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Are you putting the username into session on successful authentication/login?Russ Cam– Russ Cam2009-12-07 07:07:48 +00:00Commented Dec 7, 2009 at 7:07
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3 Answers
Loss of session state is usually from either:
- Session timeout
- AppPool recycling due to inactivity (20 min) or daily forced recycle
- Trying to use a web garden or a web farm with InProc session state
Having said that, I would suggest using the ASP.NET Membership system instead of session state to record user login data. Either that or switch to cookies and get rid of sessions entirely.
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It sounds like your session is timing out. You can increase this in your web.config – e.g.
<authentication mode="Forms">
<forms loginUrl="xxxx" timeout="60"/>
</authentication>
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Lex Li
Session timeout belongs to <sessionstate> tag.
Session can time out and all session variables are lost. So please check if that's the case.