ASP.Net Session Timeout Scenario

We are working on an application that stores user entered data in a session object. The application is a type of wizard, if the user's session times out we want to display a me开发者_高级运维ssage and send the user to the start of the wizard again.

How can I best do this?

Thanks in advance for the help.

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The best dreamincode "blog" explaining a base page solution for session timeout.

Here is a quick and dirty way (codeproject.com), which basically just uses a client side script.

A more detailed one with words Session.Timeout and Notification Before Session Expire(same type of solution client side script).