The state information is invalid for this page and might be corrupted
<p>I got this error when I was on the main report page of my web site and try to changes the year from the drop down. The page process heavy data. is it related to heavy data processing?</p>

<blockquote>
  <p>The state information is invalid for this page and might be corrupted.
  Description: An unhandled exception occurred during the execution of
  the current web request. Please review the stack trace for more
  information about the error and where it originated in the code.</p>
  
  <p>Exception Details: System.Web.HttpException: The state information is
  invalid for this page and might be corrupted.</p>
  
  <p>Source File: c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary
  ASP.NET Files\root\51993828\f634ec45\App_Web_hbc8tqe3.0.cs    Line: 0</p>
</blockquote>
