<html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> <script type="text/javascript"> function DoSomething() { var v =event.target != null ? event.target : event.srcElement; if (v.tagName == "INPUT" && v.type == "checkbox") { alert(v.id); __doPostBack("",""); } } </script> </head> <body> <form id="form1" runat="server"> <div> <asp:TreeView ID="TreeView1" onclick="DoSomething()" runat="server" ShowCheckBoxes="All" OnTreeNodeCheckChanged="TreeView1_TreeNodeCheckChanged" > <Nodes> <asp:TreeNode Text="New Node" Value="New Node"> <asp:TreeNode Text="New Node" Value="New Node" ></asp:TreeNode> </asp:TreeNode> <asp:TreeNode Text="New Node" Value="New Node"> <asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode> </asp:TreeNode> <asp:TreeNode Text="New Node" Value="New Node"> <asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode> </asp:TreeNode> </Nodes> </asp:TreeView> </div> </form> </body> </html>
protected void Page_Load(object sender, EventArgs e) { } protected void TreeView1_TreeNodeCheckChanged(object sender, TreeNodeEventArgs e) { if (e.Node.Checked) { Response.Write("1"); } }
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