Click here to Skip to main content
11,637,415 members (58,875 online)
Rate this: bad
Please Sign up or sign in to vote.
See more: ASP.NET Application Web

on post back we are facing below error only on IE8 and not in IE9, FireFox -
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.

Refer below details about ASP.NET 3.5 Web Application.
1. We have previously project structure as below-
"TestProject" is Web Project:

"Sample2" is folder and it is part of TestProject Web Project :

2. Modified project structure-
"TestProject"(Web Project)
"AllPages" is folder part of TestProject Web Project:

Please suggest solution.

Posted 19-Sep-12 5:23am
aidin Tajadod at 19-Sep-12 18:51pm
do you change viewstate in you code? at 20-Sep-12 3:17am
thanks for your attention.
We have not changed viewstate in code.
aidin Tajadod at 20-Sep-12 13:43pm
I don't have any particular problem like this with IE8.
Please share some codes.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

  Print Answers RSS
0 OriginalGriff 295
1 stibee 288
2 270
3 Sergey Alexandrovich Kryukov 224
4 himanshu agarwal 184
0 OriginalGriff 9,031
1 Sergey Alexandrovich Kryukov 8,643
2 Mika Wendelius 6,959
3 F-ES Sitecore 2,388
4 Suvendu Shekhar Giri 2,320

Advertise | Privacy | Mobile
Web02 | 2.8.150728.1 | Last Updated 19 Sep 2012
Copyright © CodeProject, 1999-2015
All Rights Reserved. Terms of Service
Layout: fixed | fluid

CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100