I want to prevent multiple login with the same id and pwd

Please study this

http://www.nullskull.com/articles/20030416.asp

Regards,
Rathrola

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You can take a column named 'IsLogedIn' (boolean) in user table.
when user login with correct credential update this field as 1.
Same way When he is logged out then update this field as 0.

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Laxmidhar Sahoo8y ago

1) Take public class with a public static int variable =0;

2)when login assign in variable = 1;

3)Again when log out assign in variable = 0;

4)each time login check whether the variable is 0 or not

If value is 1 then ActionToRedirect Login view

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Sagar Pandurang Kap8y ago

Hi,

http://www.dotnetfunda.com/articles/show/1083/restricting-user-to-login-multiple-times-using-same-credentials

http://geekswithblogs.net/Frez/archive/2010/05/17/preventing-a-user-from-having-multiple-concurrent-sessions.aspx

Hope it help.

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