A field or property with the name 'JudgeTime' was not found on the selected data source.

ggzgeguoz 2008-07-16 05:52:26

Server Error in '/zxks' Application.
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A field or property with the name 'JudgeTime' was not found on the selected data source.
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: A field or property with the name 'JudgeTime' was not found on the selected data source.

Source Error:

Line 52: {
Line 53: GridView1.DataSource = ds;
Line 54: GridView1.DataBind(); (出错行)
Line 55: }
Line 56: else

Source File: e:\MyOnLineExam\Web\StudentIndex.aspx.cs Line: 54

Stack Trace:

[HttpException (0x80004005): A field or property with the name 'JudgeTime' was not found on the selected data source.]
System.Web.UI.WebControls.BoundField.GetValue(Control controlContainer) +432
System.Web.UI.WebControls.BoundField.OnDataBindField(Object sender, EventArgs e) +60
System.Web.UI.Control.OnDataBinding(EventArgs e) +98
System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +208
System.Web.UI.Control.DataBind() +12
System.Web.UI.Control.DataBindChildren() +212
System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +218
System.Web.UI.Control.DataBind() +12
System.Web.UI.WebControls.GridView.CreateRow(Int32 rowIndex, Int32 dataSourceIndex, DataControlRowType rowType, DataControlRowState rowState, Boolean dataBind, Object dataItem, DataControlField[] fields, TableRowCollection rows, PagedDataSource pagedDataSource) +221
System.Web.UI.WebControls.GridView.CreateChildControls(IEnumerable dataSource, Boolean dataBinding) +3013
System.Web.UI.WebControls.CompositeDataBoundControl.PerformDataBinding(IEnumerable data) +59
System.Web.UI.WebControls.GridView.PerformDataBinding(IEnumerable data) +12
System.Web.UI.WebControls.DataBoundControl.OnDataSourceViewSelectCallback(IEnumerable data) +111
System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +25
System.Web.UI.WebControls.DataBoundControl.PerformSelect() +149
System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +68
System.Web.UI.WebControls.GridView.DataBind() +4
Web_StudentIndex.ScoreInitData() in e:\MyOnLineExam\Web\StudentIndex.aspx.cs:54
Web_StudentIndex.Page_Load(Object sender, EventArgs e) in e:\MyOnLineExam\Web\StudentIndex.aspx.cs:19
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +13
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +45
System.Web.UI.Control.OnLoad(EventArgs e) +98
System.Web.UI.Control.LoadRecursive() +71
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4310

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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42

请问,这是什么原因引起的,该如何解决?

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