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What is a ViewState? Introduction A Web application by nature is stateless, which means information is not persisted with each round trip of a web-page. Any information entered in by the user and sent to the server is not returned to the client back. To get over this limitation of Web Programming, the ASP.Net framework includes several state-management features like:- * View state * Control state * Hidden fields * Cookies * Query strings ViewState is a feature used by ASP.Net page framework to preserve page and control values between round trips.