主题：自动统计不能相对应

要自己做加载树

Dim cmd As New SQLCommand
Dim dt As DataTable
cmd.CommandText = "SELECT * From {居民电站}"
dt = cmd.ExecuteReader()
Dim trv As WinForm.TreeView = e.Form.Controls("TreeView1")
trv.BuildTree(dt,"名称","", "_Sortkey,_Identify desc")
trv.Nodes.Insert("加载所有数据",0)

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