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Unable to validate data

Posted By:      Posted Date: September 24, 2010    Points: 0   Category :ASP.Net
 

Hi All,

Thank you for advance.

We have lot aspx files in our asp.net web application. but we are getting the below error in register and login page only and the error is coming only in FireFox.( User Agent: Mozilla)


Authentication Mode : form authentication

OS Environment: Microsoft Windows Server 2003 Statandard x64 Edition and Service back 1

Application Environment: Asp.net 2.0/C#




Error Details:

User Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows XP)

Message: Unable to validate data.

Source: System.Web

TargetSite: Byte[] GetDecodedData(Byte[], Byte[], Int32, Int32, Int32 ByRef)

StackTrace: at System.Web.Configuration.MachineKeySection.GetDecodedData(Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Int32& dataLength)
   at System.Web.UI.ObjectStateFormatter.Deserialize(String inputString)



I added the machineKey in web.config file reference with codeproject article

(http://www.codeproject.com/Articles/43637/Weird-Error-Unable-to-Validate-Data-in-ASP-NET-web.aspx)

but still i am getting the error.





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Unable to validate data

  

Hi All,

Thank you for advance.

I created the web application using asp.net 2.0, c# and sql server 2005

sometimes i am getting the following error,

Message: Unable to validate data.

Source: System.Web

TargetSite: Byte[] GetDecodedData(Byte[], Byte[], Int32, Int32, Int32 ByRef)

StackTrace:    at System.Web.Configuration.MachineKeySection.GetDecodedData(Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Int32& dataLength)
   at System.Web.UI.ObjectStateFormatter.Deserialize(String inputString)




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    at System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean fEncrypt, Byte[] buf, Byte[] modifier, Int32 start, Int32 length, IVType ivType, Boolean useValidationSymAlgo, Boolean signData)

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