By Iqbal Khan
ASP.NET View State does come with a few issues that you need to understand and resolve. Once you resolve these issues, you are able to benefit from ASP.NET View State without any problems. This tip outlines View State problems and a respective mechanism for how to deal with them.
ASP.NET View State is a very powerful feature of ASP.NET that provides a client side state management mechanism. It helps preserve page and control values between complete round trips for client requests. This gives a state full programming capability over a stateless protocol such as HTTP.
ASP.NET View State is stored in a hidden field on the page as an encoded Base64 string, as part of every response sent to the client and is also returned to the server by the client as part of a post back.Read full Article