ASP.NET MVC: ensure user always has a session variable set

Posted by pcampbell on Stack Overflow See other posts from Stack Overflow or by pcampbell
Published on 2010-04-02T04:58:40Z Indexed on 2010/04/02 5:03 UTC
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Consider an ASP.NET MVC application that requires a session variable be set. It's used throughout the app. It'll be set by either reading a hashed value on the browser cookie, or after having the user login.

In the WebForms + Master Page model, I'd check the Page_Load() of the master page. Perhaps not the ultimate event, but it was an easy one to find.

How would you check and enforce the existance of a session variable in ASP.NET MVC? Consider that this question might not involve user login details, but some other piece of data (first visit time, perhaps).

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