test.aspx

来自「ASP.NET开发实战详解」· ASPX 代码 · 共 61 行

<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

   Protected Sub TreeView1_SelectedNodeChanged(ByVal sender As Object, ByVal e As System.EventArgs)

      
   End Sub

   Protected Sub TreeView1_TreeNodeCheckChanged(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.TreeNodeEventArgs)

      
      '      CheckNode(e.Node, e.Node.Checked)
   End Sub
   
   Sub CheckNode(ByVal thenode As TreeNode, ByVal checked As Boolean)
      Dim i As Integer
      '     If thenode.ChildNodes.Count > 0 Then
      'For i = 0 To thenode.ChildNodes.Count - 1
      'thenode.ChildNodes(i).Checked = checked
      '      CheckNode(thenode.ChildNodes(i), checked)
      '     Next
      '    End If
   End Sub

   Protected Sub TreeView1_TreeNodePopulate(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.TreeNodeEventArgs)

   End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
       <asp:TreeView ID="TreeView1" runat="server" OnSelectedNodeChanged="TreeView1_SelectedNodeChanged"
          ShowCheckBoxes="All" ShowLines="True" OnTreeNodeCheckChanged="TreeView1_TreeNodeCheckChanged" OnTreeNodePopulate="TreeView1_TreeNodePopulate">
          <Nodes>
             <asp:TreeNode Text="New Node1" Value="New Node" SelectAction="SelectExpand">
                <asp:TreeNode Text="New Node2" Value="New Node" Checked="True"></asp:TreeNode>
                <asp:TreeNode Text="New Node3" Value="New Node"></asp:TreeNode>
                <asp:TreeNode Text="New Node4" Value="New Node"></asp:TreeNode>
                <asp:TreeNode Text="New Node5" Value="New Node">
                   <asp:TreeNode Text="New Node6" Value="New Node"></asp:TreeNode>
                   <asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
                   <asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
                </asp:TreeNode>
             </asp:TreeNode>
             <asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
          </Nodes>
       </asp:TreeView>
    
    </div>
    </form>
</body>
</html>