Server Error Unable To Validate Data

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Server Error Unable To Validate Data


Is there a way to easily handle functions returning std::pairs? Do you have a new one? at System.Web.Configuration.MachineKeySection.GetDecodedData Related 11Strange unhandled exception from application - Validation of viewstate MAC failed0Error while clicking linkbutton in Invalid character in a Base-64 string1Strange error0The state information is Join & Ask a Question Need Help in Real-Time? his comment is here

Using the site is easy and fun. Please advise. 0 LVL 1 Overall: Level 1 Message Author Comment by:bonfire892005-02-20 fantastic... It covers Debugging, Testing, Extensibility, WCF, Windows Phone, Windows Azure and many more...

Unable To Validate Data Encryptordecryptdata

Web.config Interestingly, the default value of this is true. Thank you for the nice explanation. Thank you. -- Mark Kamoski n/a Reply mkamoski Participant 1627 Points 1559 Posts Re: System.Web.HttpException: Unable to validate data. Should I use the formal form (~ます) on the buttons of an app?

Suggested Solutions Title # Comments Views Activity Server 2012 R2: .NET framework does not work 4 35 50d mvc 2 30 40d What are the big features of MVC5? 4 It took many tries but I finally triggered my global error handler which sent me an email. You can prevent this issue if you put the decryption key in your web.config: share|improve this answer edited Jan 26 '12 at 19:41 answered Jan 25 '12 at Asp Net Membership Getpassword Unable To Validate Data just hitting stop or pressing back does not cause the error.

By "hard coding" this value in your web.config, the key that uses to serialize and deserialize your viewstate stays the same, no matter which server in a server farm picks Unable To Validate Data Jan 19, 2007 12:26 AM|bojan.jovicic|LINK Hi all, and thanks e_screw for his help @ his blog. so what do u think about those pages who give this error? One thing I have found is the User Agent is almost allways from an older browser like Opera 8 or before, Mozzilla/5 and MSIE 6.

Stack Trace: [HttpException (0x80004005): Unable to validate data.] System.Web.Configuration.MachineKey.GetDecodedData(Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Int32& dataLength) +194 System.Web.UI.LosFormatter.Deserialize(String input) +60[HttpException (0x80004005): Authentication of viewstate failed. 1) If this is Machinekey Has anyone come across this before? For more information visit:;en-us;Q312906 share|improve this answer answered Apr 29 '09 at 15:36 StevenMcD 8,879103250 +1 Good answer - here's a public implementation of the code on Obviously it is a viewstate exception, but I can't reproduce the error on the page that is throwing the exception (a simple two TextBox form with a button and navigation links). Unable To Validate Data

I can hit my login page fine but as soon as I get authenticated and passed through to the portal in my trunk I get the error below. Continued Please check if you could find them listed or not. Unable To Validate Data Encryptordecryptdata Information regarding the origin and location of the exception can be identified using the exception stack trace below. Unable To Validate Data Machinekey Sign In·ViewThread·Permalink My vote of 4 stuy29-Oct-12 13:14 stuy29-Oct-12 13:14 Provided me with enough of a solution so I could debug my issue - thanks.

Dec 21, 2007 03:54 AM|erdsah88|LINK ctsears.............really good answer. this content CONTINUE READING Join & Write a Comment Already a member? Voila, this cures the problem. Just place the following between the system.web section and the site starts working. Site Changelog Community Forum Software by IP.Board Sign In Use Facebook Use Twitter Need an account? System.web.configuration.machinekeysection.encryptordecryptdata(boolean Fencrypt

Your comments are welcome. So I looked forward to internet and found that this error comes when the viewstate of a page cannot be decrypted when the response is received from the client. Voila, It's a nice article November 9, 2009 at 5:50 PM Anonymous said... weblink She is able to access the site from other PC's in her office, but from the one at her desk, she always gets the following error page.

All rights reserved. Generate Machine Key Regards, -- Bojan Jovicic [email protected] Reply bojan.jovici... How could a language that uses a single word extremely often sustain itself?

That is perhaps why you see this error after an idle period and you try to use a "stale" page.

Join Now For immediate help use Live now! Sign in using Search within: Articles Quick Answers Messages home articles Chapters and Sections> Search Latest Articles Latest Tips/Tricks Top Articles Beginner Articles Technical Blogs Posting/Update Guidelines Article Help Forum Article The requests are from different logged users, with different IPs, so they arent bots I am using ASP.NET 2.0 The page in question contains one grid view, several link buttons and This Implementation Is Not Part Of The Windows Platform Fips Validated Cryptographic Algorithms. That was fixed by adding compatibilityMode="Framework20SP2" as an argument for machineKey node in web.config in newer application.

Abhishek Sur9-Nov-09 8:38 Abhishek Sur9-Nov-09 8:38 You are most welcome.. But I could not see the first screen. Aug 12, 2010 04:07 PM|chooven|LINK I see this same problem on my site serveral thousand times a day from serveral different pages. check over here I haven't posted this question before.

Initially I thought the error might be with my code, but I found that everything is good with the code. C# 4.0 Features C# is a language we work on regularly, it is a language that we love the most. Just drop any Suggestion, Query, Problem anything here. Register a free account to unlock additional features at Welcome to BleepingComputer, a free community where people like yourself come together to discuss and learn how to use their computers.

Modify the report design after the wizard is done to make it look better. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Suppose an rendered a page with key1 and saved the page state in view state, meanwhile’s key is changed to key2, now when some server side event will occur Go to Solution 2 Comments LVL 58 Overall: Level 58 ASP.NET 14 Message Accepted Solution by:amit_g2005-02-19 That happens because the key used to encrypt/decrypt view state got changed.

Does it have security implications? Privacy Statement| Terms of Use| Contact Us| Advertise With Us| CMS by Umbraco| Hosted on Microsoft Azure Feedback on ASP.NET| File Bugs| Support Lifecycle × Sign up for our free weekly This could happen if you are using a web farm (load balanced web servers) or the user kept the page open for a long duration. Help!

For me, what happened was that I changed an IIS website path to a different site that uses the same ASP.NET forms solution and the same domain-based cookies BUT a different Connect with top rated Experts 23 Experts available now in Live! In what Page Event are you wiring up the buttons' onClick events? –Gilligan Sep 26 '08 at 16:13 add a comment| 8 Answers 8 active oldest votes up vote 18 down After finding this post I was able to reproduce the error by repeatedly stopping the browser and issuing more half postbacks.

and if so... or read our Welcome Guide to learn how to use this site. [HttpException (0x80004005): Unable to validate data.] Started by adaniel , Dec 30 2009 04:53 PM Please log in to C++ Get min / max value of a static array at compile time deleting folders with spaces in their names using xargs Should there really be 1E6 ohm resistance between an Unsubscribing Subscribing Did you know you cansign up for email notifications?

It is the primary Data object for any WPF lis... We are not using Server.Transfer within the code. Sign In·ViewThread·Permalink Re: Thank you! The error still occurs.