Dim tr As WinForm.TreeView
Dim nd As WinForm.TreeNode
tr = e.Form.Controls("TreeView1")
nd = tr.SelectedNode
If nd IsNot Nothing Then
If nd.Level = 1 Then
MessageBox.Show("最多允许三层节点!","提示",MessageBoxButtons.OK,MessageBoxIcon.Information)
Else
Dim dr As DataRow
If nd.Nodes.Count = 0 Then
dr = DataTables("表B").Find("大类='" & nd.Text & "'","[_Identify] desc")
Else
dr = DataTables("表B").AddNew
End If
If nd.Level = 0 Then
dr("大类") = nd.Text
dr("小类") = "新节点"
'ElseIf nd.Level = 1
'dr("大类") = nd.ParentNode.Text
'dr("二类") = nd.text
'dr("三类") = "新节点"
End If
nd = nd.Nodes.Add("新节点")
tr.SelectedNode = nd
tr.Select()
tr.BeginEdit()
End If
End If
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Post By：2016/12/27 20:43:00 [显示全部帖子]
