表B的DataColChanged
If e.DataCol.Name = "分配人员" Then
For Each dr1 As DataRow In DataTables("表A").datarows
Dim nm As String = dr1("姓名")
Dim dr2 As DataRow = DataTables("表B").Find("分配人员 = '" & nm & "' Or 分配人员 Like '" & nm & ",*' Or 分配人员 Like '*," & nm & "'")
If dr2 IsNot Nothing Then
dr1("是否分配工作") = "是"
Else
dr1("是否分配工作") = Nothing
End If
Next
End If