public string OnClientItemExpand { get; set; }

Public Property OnClientItemExpand As String
	Get
	Set

public:
property String^ OnClientItemExpand {
	String^ get ();
	void set (String^ value);
}

member OnClientItemExpand : string with get, set

Property Value

<script type="text/javascript">
function OnClientItemExpandHandler(sender, eventArgs)
{
alert(eventArgs.Item.Text);
}
</script>

<kaxP:KaxNavigationBar ID="KaxNavigationBar1"
runat="server"
OnClientItemExpand="OnClientItemExpandHandler">
....
</kaxP:KaxNavigationBar>

Reference