Find user is online or not

Posted by picnic4u on Stack Overflow See other posts from Stack Overflow or by picnic4u
Published on 2010-06-10T18:37:43Z Indexed on 2010/06/10 18:42 UTC
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c#

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ASP.NET

In my project i have to implement an interface which shows whether a particular user is online or not as in social networking site(like orkut and facebook)

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