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Why gridview's paging function Issue in master page!

The page of gridview can stand-alone running and pageing,when i place it to
content and click page 2 server display :

Validation of viewstate MAC failed. If this application is hosted by a Web
Farm or cluster, ensure that <machineKey> configuration specifies the same
validationKey and validation algorithm. AutoGenerate cannot be used in a
cluster.

Stack Trace:
[HttpException (0x80004005): Unable to validate data.]
System.Web.Configuration.MachineKeySection.GetDeco dedData(Byte[] buf,
Byte[] modifier, Int32 start, Int32 length, Int32& dataLength) +393
System.Web.UI.ObjectStateFormatter.Deserialize(Str ing inputString) +214

[ViewStateException: Invalid viewstate.
Client IP: 127.0.0.1
Port: 2055
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Maxthon;
SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)
ViewState:
Qy57828Z4dAqL/GYgQVI8I0TNc2XuhBalXQZEmHwc1tXA7VPa7f5ptKNYlLb///1aJDerhrGPBxqU9ypqfK0wWrSrT4eAMWOI7RglJmCjg+efRuVg Qn+I4m00b/rkrAOGqS8Wb+58YgOnE+gB+XD1S3Z+QCMc+0K14jt9WLj/1QQyEDZLzUUayOUxtmYg/Lz7y5RFvPtxbO1WYI31pWvVBpObvlLe2SlrBBYNhVRPiqZPypH 62fD8eHocy4vijoQdQ8IxGUr0be0UBhZoDLHz5oa1o5HDHCII6 BsczRIcDbm9aFq0yy56bJYdMLIhUFe85fTchnqK5YLM2ZxurWb ZcHw/JdkuzyKb06HU54jHmwwwqGLmIvvrdv14F1/ChoF4lrSgIBXSzyEaxJMtuYGljqBzGfwrfm90/I00tEYfd7m/8k0hCh3yXDLP5mGEVLc45XpprM8ZYvDRe6TT5Mgh59TYrmd1lA wbI+nu3nNpxX13S0iaLYtGVIZfPIwShC1mwDGWfG+3dMIxU+So dYTSOruKB4vW32qejxCPuedpK6irTy8xDrs7WavLNov3BkAT/jUSYa1YFIl/JZZOwjqg50zmjDPg3ZYaxgqGtjPEkHYVxGS03YA15Uo4i85KmD sQi5IGQR7sOQR13ftwtZNflO6sTc1qQHB5ECA6GfHnyuFSX1SP HPG+8yc+LEmPwjcxyt2yBbj1/UO/LoaMDg/YizflkYLYt7OrDnBaNcceWXmXlwY4Y7nb+uJfP+z7TozesSo0N ivZFE5S2XvDrcznvNi282I8MnbsCo7uqFEoGWw8VPGQRpXHf/CZfvZ6OkR6h+O8QWpbcUfZQ7KCmYgZ...]

[HttpException (0x80004005): Validation of viewstate MAC failed. If this
application is hosted by a Web Farm or cluster, ensure that <machineKey>
configuration specifies the same validationKey and validation algorithm.
AutoGenerate cannot be used in a cluster.]
System.Web.UI.ViewStateException.ThrowError(Except ion inner, String
persistedState, String errorPageMessage, Boolean macValidationError) +119
System.Web.UI.ObjectStateFormatter.Deserialize(Str ing inputString) +250

System.Web.UI.ObjectStateFormatter.System.Web.UI.I StateFormatter.Deserialize(String serializedState) +5
System.Web.UI.Util.DeserializeWithAssert(IStateFor matter formatter,
String serializedState) +37
System.Web.UI.HiddenFieldPageStatePersister.Load() +222
System.Web.UI.Page.LoadPageStateFromPersistenceMed ium() +80
System.Web.UI.Page.LoadAllState() +35
System.Web.UI.Page.ProcessRequestMain(Boolean
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +9013
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint,
Boolean includeStagesAfterAsyncPoint) +158
System.Web.UI.Page.ProcessRequest() +85
System.Web.UI.Page.ProcessRequestWithNoAssert(Http Context context) +20
System.Web.UI.Page.ProcessRequest(HttpContext context) +110
ASP.record_show_aspx.ProcessRequest(HttpContext context) +4

System.Web.CallHandlerExecutionStep.System.Web.Htt pApplication.IExecutionStep.Execute() +317
System.Web.HttpApplication.ExecuteStep(IExecutionS tep step, Boolean&
completedSynchronously) +65


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Jan 18 '06 #1
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