Handling back button errors on device

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From: dave (dave_at_discussions.microsoft.com)
Date: 09/01/04

  • Next message: dave: "control state between forms" 
    Date: Wed, 1 Sep 2004 07:45:14 -0700

    I have put together an web application on a device (with asp.net).
    Everything seems working fine while the end user uses the provided
    navigation. My problem occurs when user starts using the 'back' button on
    the device. The error message goes as follows

    Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&
    completedSynchronously) Server Last Error: System.Web.HttpUnhandledException:
    Exception of type System.Web.HttpUnhandledException was thrown. --->
    System.Exception: The page requires session state that is no longer
    available. Either the session has expired, the client did not send a valid
    session cookie, or the session state history size is too small. Try
    increasing the history size or session expiry limit.

    Any suggestions?
    thx

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