ASP.NET provides many different ways to persist data between user requests. You can use the Application object, cookies, hidden fields, the Session or Cache objects, and lots of other methods. Deciding when to use each of these can sometimes be difficult. This article will introduce the aforementioned techniques and present some guidelines on when to use them. Although many of these techniques existed in classic ASP, best practices for when to use them have changed with the introduction of the .NET Framework. To persist data in ASP.NET, you'll have to adjust what you learned previously about handling state in ASP.
MSDN Magazine April 2003
View Complete Post