Quote:Application and Session State have a very important difference: Application state is a data repository available to all classes in an ASP.NET application. Application state is stored in memory on the server and is faster than storing and retrieving information in a database. Unlike session state, which is specific to a single user session, application state applies to all users and sessions. Therefore, application state is a useful place to store small amounts of often-used data that does not change from one user to another Application State Overview[^] Session State Overview[^] Caching, on the other hand, allows you to store objects in memory that require extensive server resources to create - it offers powerful features that allow you to customize how items are cached and how long they are cached - you can set extensive properties like priority and expiration. Caching Application Data Overview[^] Although they might appear similar, they are distinctly separate and have different roles to play in an ASP.NET application in its broadest sense.
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