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<%@ Page Language="C#" %>
<script runat="server">
public void OnCheckChanged(Object sender, TreeNodeEventArgs e)
{
if (EntertainmentTreeView.CheckedNodes.Count > 0)
{
WhatsChecked.Text = "The checked values are:<ul>";
foreach (TreeNode item in EntertainmentTreeView.CheckedNodes)
{
WhatsChecked.Text += "<li>";
WhatsChecked.Text += item.Text;
WhatsChecked.Text += "</li>";
}
WhatsChecked.Text += "</ul>";
}
else
{
WhatsChecked.Text = "Nothing is checked";
}
}
</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]-->
<script type="text/javascript" src="CascadeCheckmarks.js"></script>
</head>
<body>
<form id="form1" runat="server">
<asp:TreeView ID="EntertainmentTreeView" runat="server"
OnClientClickedCheckbox="CascadeCheckmarks(event)"
OnTreeNodeCheckChanged="OnCheckChanged"
OnAdaptedTreeNodeCheckChanged="OnCheckChanged"
CssSelectorClass="SimpleEntertainmentTreeView"
ExpandDepth="0"
ShowCheckBoxes="All">
<Nodes>
<asp:TreeNode Text="Music">
<asp:TreeNode Text="Classical" />
<asp:TreeNode Text="Rock">
<asp:TreeNode Text="Electric" />
<asp:TreeNode Text="Something without a checkbox" ShowCheckBox="false" SelectAction="None" />
<asp:TreeNode Text="Acoustical" />
</asp:TreeNode>
<asp:TreeNode Text="Jazz" />
</asp:TreeNode>
<asp:TreeNode Text="Movies">
<asp:TreeNode Text="Action" />
<asp:TreeNode Text="Drama" />
<asp:TreeNode Text="Musical" />
</asp:TreeNode>
</Nodes>
</asp:TreeView>
<div>
<asp:Button runat="server" UseSubmitBehavior="true" Text="Submit" />
</div>
<div id="EntertainmentMessage">
<asp:Label id="WhatsChecked" runat="server" />
</div>
</form>
</body>
</html>
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