for each 未将对象引用设置到对象的实例,已解决! Post By:2016/11/14 10:54:00 [只看该作者]
此主题相关图片如下:for each未将对象引用设置到对象的实例.png 这段代码
For Each nd As WinForm.TreeNode In trv.AllNodes output.Show(99) If nd.Name > "全部编码" Then output.Show(21) If nd.DataRow("上级组") = True Then txt = nd.DataRow("编码") & " " & nd.DataRow("编码名称") nd.text = txt output.Show(22)