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<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<script runat="server">
protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)
{
lblMessage.Text = TreeView1.SelectedValue;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<style type="text/css">
html
{
background-color:silver;
}
.content
{
float:left;
width:350px;
height:500px;
padding:20px;
margin:10px;
background-color:white;
}
</style>
<title>TreeView Value</title>
</head>
<body>
<form id="form1" runat="server">
<div class="content">
<asp:TreeView
id="TreeView1"
OnSelectedNodeChanged="TreeView1_SelectedNodeChanged"
Runat="server" >
<Nodes>
<asp:TreeNode
Text="Home"
Value="Home">
<asp:TreeNode
Text="Products">
<asp:TreeNode
Text="First Product"
Value="FirstProduct" />
<asp:TreeNode
Text="Second Product"
Value="SecondProduct" />
</asp:TreeNode>
<asp:TreeNode
Text="Services">
<asp:TreeNode
Text="First Service"
Value="FirstService" />
<asp:TreeNode
Text="Second Service"
Value="SecondService" />
</asp:TreeNode>
</asp:TreeNode>
</Nodes>
</asp:TreeView>
</div>
<div class="content">
You selected:
<asp:Label
id="lblMessage"
EnableViewState="false"
Runat="server" />
</div>
</form>
</body>
</html>
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