If e.DataCol.Name = "学员姓名" OrElse e.DataCol.Name = "分类" Then If e.NewValue Is Nothing Then e.DataRow("授课内容") = Nothing Else Dim dr3 As DataRow dr3 = DataTables("学员一览表").Find("姓名 = '" & e.DataRow("学员姓名") & "' and 分类 = '" & e.DataRow("分类") & "'") If dr3 IsNot Nothing Then e.DataRow("授课内容") = dr3("课程")