主题：[求助]目录树选择日期出错，请帮忙！

Dim trv As WinForm.TreeView = e.Sender
Dim flt As String = ""
For Each nd As WinForm.TreeNode In e.node.AllNodes '清除子节点选中状态
    nd.Checked = False
Next
If e.node.ParentNode IsNot Nothing Then '去掉父节点选中状态
    e.node.ParentNode.Checked = False
    If e.node.ParentNode.ParentNode  IsNot Nothing Then '去掉父节点选中状态
        e.node.ParentNode.ParentNode.Checked = False
        If e.node.ParentNode.ParentNode.ParentNode    IsNot Nothing Then '去掉父节点选中状态
            e.node.ParentNode.ParentNode.ParentNode.Checked = False
        End If
    End If
End If
Dim Value()As String
If e.node.text = "显示全部订单" AndAlso e.node.Checked Then
   
Else
    For Each nd As WinForm.TreeNode In trv.AllNodes
        If nd.Checked Then
            Value = nd.FullName.Split("\")
            If flt > "" Then
                flt = flt & " Or "  '注意用or而不是And
            End If
            If nd.Level = 0 Then '注意下面的条件都要用括号括起来
                flt = flt & "( 客户名称 = '" & nd.Text & "')"
            ElseIf nd.Level = 1
                Dim dt1 As Date = nd.text
                Dim dt2 As Date = dt1.adddays(1)
                flt = flt & "( 客户名称 = '" & Value(0) & "' And 下单日期 <=#" & dt2 & "# And 下单日期>=#" & dt1 & "#)"
            End If
        End If
    Next
End If

Tables("订单").Filter = flt