不能这样用
Dim dr As DataRow = e.Node.DataRow
要改代码
Dim ary() as string = e.node.fullName.split("\")
If e.Node.Text <> "显示所有行" Then
Select Case e.Node.Level
Case 0
Tables("窗口1_Table1").Filter = "[第一列] = '" & ary(0) & "'"
Tables("窗口2_Table2").Filter = "[第一列] = '" & ary(0) & "'"
End Select
End If