How to prevent multiple login

SQL Server 2005 , Csharp , ASP.Net Pasir Gudang, Malaysia
  • 11 years ago


    I wan to prevent multiple login by the user, and i have done it by javascript which will trigger event when the user click "X" or properly close the browser

    But my problem is the javascript wont trigger when the user doesnt close the browser properly like alt+F4

    How can i know user close the browser abnormal?

    Thx in advance

  • 11 years ago

    You can try writing your .net code in the Page_Unload event. This event fires whenever a page unloads nomatter how it was closed....

  • 11 years ago


    but wat i understand is if the page straight away close, the code inside the .net wont impossible my code will executed completely

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