What is viewstate and what is its use? [duplicate]

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开发者_Go百科 What does the __VIEWSTATE hold?

I am new to ASP.NET.I want to know about viewstate in detail.

although this is so simple but i am unable to understand it.

So please tell that what is viewstate and what is its use?

Thanks in advance..

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There is a link Which explain it. ASP .NET Maintaining the ViewState

When a form is submitted in ASP .NET, the form reappears in the browser window together with all form values. How come? This is because ASP .NET maintains your ViewState. The ViewState indicates the status of the page when submitted to the server. The status is defined through a hidden field placed on each page with a control.