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Editorial Team
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Asked: 2026-06-14T14:58:51+00:00

I know SessionState is Cleared when the session dies – usually after 20min of

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I know SessionState is Cleared when the session dies – usually after 20min of inactivity.
My question is when does ViewState session dies ? Or does it never dies ? Is there any way to clear it ?

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1 Answer

  1. Editorial Team

    Viewstate lasts for as long as it’s on the page – it’s outputted with the HTML; check the source to your rendered page and you will see a load of text in a hidden field.

    Something like:

    <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwUJNTIyODQ4NzI.....

    Once the page is gone, it’s gone.

    You can clear it by calling

    ViewState.Clear()
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