มันเจ๋งทำไงดีๆ ช่วยด้วย
Unable to validate data.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Web.HttpException: Unable to validate data.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[HttpException (0x80004005): Unable to validate data.]
System.Web.Configuration.MachineKey.GetDecodedData(Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Int32& dataLength) +196
System.Web.UI.LosFormatter.Deserialize(String input) +60
[HttpException (0x80004005): Authentication of viewstate failed. 1) If this is a cluster, edit <machineKey> configuration so all servers use the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. 2) Viewstate can only be posted back to the same page. 3) The viewstate for this page might be corrupted.]
System.Web.UI.LosFormatter.Deserialize(String input) +118
System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +102
[HttpException (0x80004005): Invalid_Viewstate
Client IP: 218.181.251.10
Port: 61613
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12
ViewState: 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
Http-Referer:
http://www.esurveyspro.com/Survey.aspx?id=a0c8d270-ccc9-4da0-985a-7139306f86d1 Path: /Survey.aspx.]
System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +448
System.Web.UI.Page.LoadPageViewState() +18
System.Web.UI.Page.ProcessRequestMain() +447
