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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 = 4 Then
MessageBox.Show("最多允许5层节点!","提示",MessageBoxButtons.OK,MessageBoxIcon.Information)
Else
Dim dr As DataRow = DataTables("表A").AddNew
If nd.Level = 0 Then
dr("大类") = nd.Text
dr("二类") = "新节点"
ElseIf nd.Level = 1
dr("大类") = nd.ParentNode.Text
dr("二类") = nd.text
dr("三类") = "新节点"
ElseIf nd.level = 2
Dim ary() As String = nd.fullPath.split("\")
dr("大类") = ary(0)
dr("二类") = ary(1)
dr("三类") = ary(2)
dr("4类") = "新节点"
ElseIf nd.level = 3
Dim ary() As String = nd.fullPath.split("\")
dr("大类") = ary(0)
dr("二类") = ary(1)
dr("三类") = ary(2)
dr("4类") = ary(3)
dr("5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：2016/6/6 14:20:00 [显示全部帖子]
