http://www.foxtable.com/webhelp/topics/0917.htm在帮助文件中,如下代码我有点疑问:
6、将目录树的NodeMouseDoubleClick事件设为:
Dim Filter As String
Dim dr As DataRow = e.Node.DataRow '获取生成此节点的行
If e.Node.Text <> "显示所有行" Then
Select Case e.Node.Level
Case 0
Filter = "[产品] = '" & dr("产品") & "'"
Case 1
Filter = "[产品] = '" & dr("产品") & "' And [客户] = '" & dr("客户") & "'"
Case 2
Filter = "[产品] = '" & dr("产品") & "' And [客户] = '" & dr("客户") & "' And [雇员] = '" & dr("雇员") & "'"
End Select
End If
Tables("订单").Filter = Filter
点击“显示所有行”时,并没有设置filter = "",为什么可以达到撤销筛选的效果呢?
[此贴子已经被作者于2020/2/15 18:17:16编辑过]