ErrorMessage: Unable to validate data.

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

Guys,

Does anyone have any clues about this stack trace? What can be the reason
for this error?

Is it something related to viewstate? Can I do anything at the
application-level by making code changes to prevent this happening again?

This error pops out when I click a particular button.....but error is not
persistent in all the cases it is sporadic and happens once in 6-7 times
which makes it difficult to track the root cause and debug.

Please find the "Stack trace" below....

----------------------------------------------------------------------------------------------

ErrorMessage:
----------------
Unable to validate data.

ErrorSource: System.Web

ErrorTargetSite:
----------------
Byte[] GetDecodedData(Byte[], Byte[], Int32, Int32, Int32 ByRef)

ErrorTrace:
----------------
at System.Web.Configuration.MachineKey.GetDecodedData(Byte[] buf, Byte[]
modifier, Int32 start, Int32 length, Int32& dataLength)
at System.Web.UI.LosFormatter.Deserialize(String input)

PostData:
 
the message means the viewstate value is invalid. viewsource in the browser
and compare to waht is recieved on the server. some proxies will truncate
viewstate if its cover 2k.

-- bruce (sqlwork.com)


|
| Guys,
|
| Does anyone have any clues about this stack trace? What can be the reason
| for this error?
|
| Is it something related to viewstate? Can I do anything at the
| application-level by making code changes to prevent this happening again?
|
| This error pops out when I click a particular button.....but error is not
| persistent in all the cases it is sporadic and happens once in 6-7 times
| which makes it difficult to track the root cause and debug.
|
| Please find the "Stack trace" below....
|
| --------------------------------------------------------------------------
--------------------
|
| ErrorMessage:
| ----------------
| Unable to validate data.
|
| ErrorSource: System.Web
|
| ErrorTargetSite:
| ----------------
| Byte[] GetDecodedData(Byte[], Byte[], Int32, Int32, Int32 ByRef)
|
| ErrorTrace:
| ----------------
| at System.Web.Configuration.MachineKey.GetDecodedData(Byte[] buf,
Byte[]
| modifier, Int32 start, Int32 length, Int32& dataLength)
| at System.Web.UI.LosFormatter.Deserialize(String input)
|
| PostData:
| ----------------
| __EVENTTARGET: contacts:Button_Next
| __EVENTARGUMENT:
| __VIEWSTATE:
|
dDwyMzUxNDQ2ODt0PDtsPGk8MD47PjtsPHQ8O2w8aTwxPjtpPDQ+O2k8Nj47aTw3PjtpPDg+Oz47
bDx0PDtsPGk8MD47PjtsPHQ8O2w8aTwxPjs+.........
 
Hello Bruce,

I did exactly what you asked and it seems like two viewstates are exactly
the same.

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

I am getting this error after a Server.Transfer upon a PostBack. This does
not happen on my development box, only on the production windows 2003
machine. This seems to be happening recently as well because I had the same
site on another windows 2003 machine and it worked fine. But on a new one
its giving this problem.

Any help will be appreciated.

bruce barker said:
the message means the viewstate value is invalid. viewsource in the browser
and compare to waht is recieved on the server. some proxies will truncate
viewstate if its cover 2k.

-- bruce (sqlwork.com)


|
| Guys,
|
| Does anyone have any clues about this stack trace? What can be the reason
| for this error?
|
| Is it something related to viewstate? Can I do anything at the
| application-level by making code changes to prevent this happening again?
|
| This error pops out when I click a particular button.....but error is not
| persistent in all the cases it is sporadic and happens once in 6-7 times
| which makes it difficult to track the root cause and debug.
|
| Please find the "Stack trace" below....
|
| --------------------------------------------------------------------------
--------------------
|
| ErrorMessage:
| ----------------
| Unable to validate data.
|
| ErrorSource: System.Web
|
| ErrorTargetSite:
| ----------------
| Byte[] GetDecodedData(Byte[], Byte[], Int32, Int32, Int32 ByRef)
|
| ErrorTrace:
| ----------------
| at System.Web.Configuration.MachineKey.GetDecodedData(Byte[] buf,
Byte[]
| modifier, Int32 start, Int32 length, Int32& dataLength)
| at System.Web.UI.LosFormatter.Deserialize(String input)
|
| PostData:
| ----------------
| __EVENTTARGET: contacts:Button_Next
| __EVENTARGUMENT:
| __VIEWSTATE:
|
dDwyMzUxNDQ2ODt0PDtsPGk8MD47PjtsPHQ8O2w8aTwxPjtpPDQ+O2k8Nj47aTw3PjtpPDg+Oz47
bDx0PDtsPGk8MD47PjtsPHQ8O2w8aTwxPjs+.........
Click to expand...
 
Hi,

I am facing the same problem. Did anyone findout what was the problem.

Thanks
Pallav.
 

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