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Post By:2009/4/12 10:17:00 [显示全部帖子]
 此主题相关图片如下:未命名.jpg  我设置如下代码,可是出错了 Dim cmd As New SQLCommand Dim dt As DataTable cmd.CommandText = "SELECT DISTINCT 省市,客户名称 From {出库主表}" dt = cmd.ExecuteReader() Dim trv As WinForm.TreeView = e.Form.Controls("TreeView1") trv.BuildDataTree(dt, "","省市", "客户名称")
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