November 03, 2005

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Failed to load viewstate. The control tree into which viewstate...

I ran into a snag today.. I had a form with two text boxes, a dropdownlist and a HTML file control. Each time the form posts back I get this error:[HttpException (0x80004005): Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the...Last Updated:Thursday, September 02, 2010By:alfero#