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<%@ Page Language="C#" %>
<script runat="server">
public void OnClick(Object sender, EventArgs e)
{
MessageLabel.Text = "You selected " + EntertainmentTreeView.SelectedNode.Text + ".";
}
public void OnPopulate(Object sender, TreeNodeEventArgs e)
{
TreeNode child = null;
switch (e.Node.Value)
{
case "Music":
child = new TreeNode("Classical");
e.Node.ChildNodes.Add(child);
child = new TreeNode("Rock");
child.PopulateOnDemand = true;
e.Node.ChildNodes.Add(child);
child = new TreeNode("Jazz");
e.Node.ChildNodes.Add(child);
break;
case "Rock":
child = new TreeNode("Electric");
e.Node.ChildNodes.Add(child);
child = new TreeNode("Acoustical");
e.Node.ChildNodes.Add(child);
break;
case "Movies":
child = new TreeNode("Action");
e.Node.ChildNodes.Add(child);
child = new TreeNode("Drama");
e.Node.ChildNodes.Add(child);
child = new TreeNode("Musical");
e.Node.ChildNodes.Add(child);
break;
}
}
</script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<link rel="stylesheet" href="SimpleTreeView.css" type="text/css" />
<link runat="server" rel="stylesheet" href="~/CSS/Import.css" type="text/css" id="AdaptersInvariantImportCSS" />
<!--[if lt IE 7]>
<link runat="server" rel="stylesheet" href="~/CSS/BrowserSpecific/IEMenu6.css" type="text/css" id="IEMenu6CSS" />
<![endif]-->
</head>
<body>
<form id="form1" runat="server">
<asp:TreeView ID="EntertainmentTreeView" runat="server"
OnSelectedNodeChanged="OnClick"
OnAdaptedSelectedNodeChanged="OnClick"
OnTreeNodePopulate="OnPopulate"
CssSelectorClass="SimpleEntertainmentTreeView"
ExpandDepth="0">
<Nodes>
<asp:TreeNode Text="Music" PopulateOnDemand="true" />
<asp:TreeNode Text="Movies" PopulateOnDemand="true" />
</Nodes>
</asp:TreeView>
<div id="EntertainmentMessage">
<asp:Label id="MessageLabel" runat="server" />
</div>
</form>
</body>
</html>
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