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Unable To Validate Data Encryptordecryptdata


I think the bug (if you can call it one) is actually in IIS, not ASP.NET. Thus, if you still have the cookie encrypted by IIS, then switch the project to use the built-in development server and hit the site, that server can't decrypt the cookie. share|improve this answer answered Jul 19 '11 at 19:53 Joey Guerra 38935 You are definitely on to something. But I could not see the first screen. http://popupjammer.com/unable-to/unable-to-validate-data-system-web-configuration-machinekeysection-encryptordecryptdata.html

To do this, you need to use the following: You might use this site to Generate your validation key as well.To get deep knowledge on Reply Dude-man None 0 Points 9 Posts Re: System.Web.HttpException: Unable to validate data. After finding this post I was able to reproduce the error by repeatedly stopping the browser and issuing more half postbacks. Another solution that you might use as well is to place the machine key directly on your web.config, so that it always decrypts and encrypts using the static key values. http://stackoverflow.com/questions/802921/what-does-an-unable-to-validate-data-exception-in-system-web-configuration-mac

Unable To Validate Data Encryptordecryptdata

Help, my office wants infinite branch merges as policy; what other options do we have? How can I Change the store language after switching the store Can a creature with multiattack make more than one attack as part of a readied attack? A published paper stole my unpublished results from a science fair Is there a non-medical name for the curve where index finger and thumb meet? Jan 13, 2007 06:11 PM|bojan.jovicic|LINK Here is the ASP.NET code for GridView used in this page:

Output the sign What is the difference between perspective distortion and barrel or pincushion distortion? when we open a pop up (detail screen) from the master screen. Therefore when the user returns the viewstate, if the machine identified key is changed, the decryption of viewstate fails and thus throws this nasty error. Machinekey Generator A lot of the problem was just coming from expired sessions, actually.

I think in our case my money is on the 'postback clicked before pages is fully loaded'. –Myster Nov 11 '09 at 0:18 add a comment| up vote 9 down vote Cannot Generate SSPI Context SQL Express usage Cannot Export from Sql Server Express 2014 to Access 2016 Managing SQL 2014 Standard SQL 2014 Express and WSUS on Windows 2012 R2 sql My observations: After reading your article, I tried going to other screens of my web-application by typing the url directly. http://stackoverflow.com/questions/9010096/system-web-httpexception-unable-to-validate-data-error-in-vs-development-serv Join our community for more solutions or to ask questions.

General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Articles » General Programming » Bugs & Workarounds This Implementation Is Not Part Of The Windows Platform Fips Validated Cryptographic Algorithms. Member 4 Points 23 Posts Re: System.Web.HttpException: Unable to validate data. when it is particular to the website, try web.config. How do I respond when players stray from my prepared material?

Unable To Validate Data Machinekey

It is one the pages with most usage. http://www.codeproject.com/Articles/43637/Weird-Error-Unable-to-Validate-Data-in-ASP-NET-web Mar 12, 2010 01:13 PM|Dude-man|LINK I believe I fixed this problem by adding EnableViewStateMAC="False" to the page directive. Unable To Validate Data Encryptordecryptdata But still the error.Finally I used "EnableViewStateMac =false" in pages section. System.web.configuration.machinekeysection.encryptordecryptdata(boolean Fencrypt What are Iron nuggets and what can they be used for?

I've searched around but can't find the cause. weblink Extensible code to support different HR rules Why is First past the post used in so many countries? Member 4 Points 23 Posts Re: System.Web.HttpException: Unable to validate data. We can mention the machine key in Web.config too so that it uses it for the current website. Asp Net Membership Getpassword Unable To Validate Data

Go to the complete details ... Related 11Strange unhandled exception from asp.net application - Validation of viewstate MAC failed10ASP.NET: Unable to validate data9Does This ASP.NET Consultant Know What He's Doing?6C# How to handle multiple exceptions which does Write to him in his Forum.You can also mail him directly to [email protected] a Coder like him for your project? http://popupjammer.com/unable-to/asp-net-unable-to-validate-data.html If a user stops a post back (usually by hitting the back button or stop button in the browser), not all the data is sent back to the server.

Chris GetDecodedData Reply Dude-man None 0 Points 9 Posts Re: System.Web.HttpException: Unable to validate data. None are web farm scenarios. that helped a lot! 0 Featured Post 2016 Annual Membership Survey Promoted by Experts Exchange Want to help improve the Experts Exchange community and be entered to win two great prizes?

Thank you for the nice explanation.

Regards, -- Bojan Jovicic [email protected] www.bojanjovicic.com Reply e_screw Star 9619 Points 3854 Posts Re: System.Web.HttpException: Unable to validate data. The error still occurs. Dec 21, 2007 03:54 AM|erdsah88|LINK ctsears.............really good answer. Register Login Home > Community > Community Categories > Articles Blogs Forums News and Events Post An Article An Interview Question A Forum Post A Career Advice Question A Video A

What exactly does the anonymous JavaScript function f => f do? Abhishek SurDon't forget to click "Good Answer" if you like this Solution.My Latest Articles-->Simplify Code Using NDependBasics of Bing Search API using .NETMicrosoft Bing MAP using Javascript Sign In·ViewThread·Permalink Re: When ASP.NET validates the view state, it fails. his comment is here Join the community of 500,000 technology professionals and ask your questions.

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.Give fixed value in machine Key section I am not using Server.Transferin code. The problem was caused by the use of the Intelligencia.UrlRewriter (Version 2.0 RC 1 build 6) module in certain pages of my web site. Thanks in advance,VC Sign In·ViewThread·Permalink MachineCode in web.config ankeshjain198926-Aug-13 20:49 ankeshjain198926-Aug-13 20:49 Is this a good approach to put machine code in web.confing file?

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 Your encryption becomes "portable", thus your viewstate becomes "portable".