Web Forms :: System.FormatException / Invalid Length For A Base-64 Char Array?

Oct 7, 2010

it is really annoying that I am keep getting these error. what is that. we started to get this afte we updatet the net framawork for security vulnaribility. here is the error we keep getting. but not everytime;

System.FormatException: Invalid length for a Base-64 char array.

Generated: Thu, 07 Oct 2010 04:05:16 GMT

System.Web.HttpException: The state information is invalid for this page and might be corrupted. ---> System.Web.UI.ViewStateException: Invalid viewstate.

[Code]....

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