Answer Posted / pranit

Yes, we can access the viewstate variables across pages.
This is only possible if Cross Page Posting or
Server.transfer is used to redirect the user to other page.
If Response.redirect is used, then ViewState cannot be
accessed across pages.

StateBag class: This class is the primary storage mechanism
for all HTML and Web server controls. It stores
attribute/value pairs as strings associated with the
control. It tracks changes to these attributes only after
the OnInit method is executed for a page request, and saves
the changes to the page's or control's viewstate.

For
Detail:http://www.codeproject.com/Articles/37753/Access-ViewState-Across-Pages

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