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What Is Session State?

The Web is a stateless environment. Every HTTP request or response to your Web server opens a connection, but after the action has completed, the connection is closed. These requests and responses contain no information to tell the server to associate a request with previous or subsequent requests. Session state is the process of associating a series of HTTP requests and responses with a unique user, and keeping a set of variables for that session.

NOTE

A user session, not to be confused with a session variable, is defined as a related series of HTTP requests and responses for a particular user. Each session has a lifetime, typically the length of time the user's browser is actively connected to the Web site.



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