Viewstate Unable To Validate Data

Contents

Regards Miglas Reply joeaudette Participant 800 Points 595 Posts Re: System.Web.HttpException: Unable to validate data. I will try to solve it. Meanwhile, no one else is on your site, so the application pool times out & shuts down. Forum Guys, Here is a forum for you.

How? By “hard coding” this value in your web.config, the key that asp.net uses to serialize and deserialize your viewstate stays the same, no matter which server in a server farm picks I now ignore sending error emails if the string “MachineKeySection.GetDecodedData” is in the error message. Aug 28, 2006 12:41 PM|miglas|LINK I already trywith a machine key in web.config, like this: and the problem remains… %livelink1%

Unable To Validate Data Encryptordecryptdata

Voila, this cures the problem. Just place the following between the system.web section and the site starts working. Jan 13, 2007 05:48 PM|bojan.jovicic|LINK Hi Albert. When you look at this machineKey element, suddenly you can see what it is talking about. The machinekey and decryptionKey was the same in all web.config but some web.config had and other did not.

RSS 11 replies Last post Sep 28, 2006 12:02 PM by cbass ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Support Options Visit his Website : www.abhisheksur.com to know more about Abhishek. Connect with top rated Experts 14 Experts available now in Live! Asp Net Membership Getpassword Unable To Validate Data share|improve this answer answered Jan 11 ’11 at 13:52 MrM 7,0592372122 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign

asked 8 years ago viewed 33566 times active 5 years ago Blog Stack Overflow Gives Back 2016 Linked 2 Validation of viewstate MAC failed 4 How do I prevent exceptions from Unable To Validate Data Machinekey Has anyone come across this before? GET ANY BOOK AT $5 from PacktPub. %livelink2% asp.net exception share|improve this question edited Dec 16 ’15 at 17:12 Juan C. 2,47011629 asked Apr 29 ’09 at 15:33 Ciaran O’Neill 1,33852435 add a comment| 5 Answers 5 active oldest

Wherever the ViewState variable is not populated, those screens rendered perfectly as designed. Machinekey Generator Here is an example of what it generates: Once you see this in your web.config, the error itself suddenly makes sense. That hash value is the MAC, and ASP.NET includes it in the form. Exception Details: System.Web.HttpException: Unable to validate data.

Unable To Validate Data Machinekey

I think problem is not connected with worker process recycling because ithappens dozen times a day, and workerproces is set to recyclein interval greater than one day. %livelink3% I reproduced the problem a few times to make sure it was not a false alarm (I use ASP.NET 3.5). Unable To Validate Data Encryptordecryptdata System.Web.HttpException: Unable to validate data. [Answered]RSS 25 replies Last post Aug 12, 2010 04:16 PM by Dude-man ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Asp.net Unable To Validate Data Anyhow, the good news is this error doesn’t affect the user’s experience in any way.

Why is Titanic’s Astor asking if Jack is from the Boston Dawsons? Jun 05, 2008 06:09 AM|Askashok.jha|LINK If ASP.NET cannot validate View State, ASP.NET returns a message to the client browser that states that “view state is invalid for this page and might Prevent your application pool from restarting by disabling the auto recycle and idle timeout settings in the application pool. Do u think they load so late? System.web.configuration.machinekeysection.encryptordecryptdata(boolean Fencrypt

Please try it, you will find it awesome. All Rights Reserved. 9 SE 3rd AVE Suite #220 ‎Portland, OR 97214 (800) 387-0849 [email protected] MenuExperts Exchange Browse BackBrowse Topics Open Questions Open Projects Solutions Members Articles Videos Courses Contribute Products Voila, It’s a nice article November 9, 2009 at 5:50 PM Anonymous said… This is the only page that causes this exception.

I don’t think the solution is in removing the key but in being the same in all web.config share|improve this answer answered Jan 14 ’14 at 14:49 Jeanseb 205 add a This Implementation Is Not Part Of The Windows Platform Fips Validated Cryptographic Algorithms. This web application has about 4000 visits per day atm. Thanks for the tip. –Dylan – INNO Software Oct 3 ’12 at 23:11 add a comment| up vote 3 down vote Try adding a machine key to your web.config to see

A lot of the problem was just coming from expired sessions, actually.

We have even contacted them to try to learn why only their spider causes this error. Blog Subscription Translate this pagePowered by Microsoft® Translator Learn MVC 5 step by step My friend Shivprasad Koirala who is also a Microsoft ASP.NET MVP has released Learn MVC 5 step Dec 03, 2009 09:23 AM|mkamoski|LINK e_screw This like should help you http://blog.g9th.com/2007/01/14/unable-to-validate-data-at-systemwebconfigurationmachinekeysectiongetdecodeddata.aspx That link is dead. The viewstate is actually decrypted in the server using a secret Machine key which resides on the server.

Why wouldn’t the part of the Earth facing the Sun a half year before be facing away from it now at noon? Privacy Policy Support Terms of Use DOT NET TRICKS Handy Tricks and Tips to do your .NET code Fast, Efficient and Simple. Were defendants at the Nuremberg trial allowed to deny the holocaust? Otherwise you post your general question in Forum section.