[IndexOutOfRangeException: 在位置 0 处没有任何行。]
System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) +2244606
System.Data.DataRowCollection.get_Item(Int32 index) +20
DAL.Classinfo.M_selectclassid(Int32 id) +426
Cases.rptbind() +736
Cases.Page_Load(Object sender, EventArgs e) +98
System.Web.UI.Control.LoadRecursive() +71
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3178
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