<script> function chartLoad() { $find("RadHtmlChart2").get_kendoWidget().setOptions({ legend: { position: "top", width: 162, height: 88, orientation: "vertical" } }) } </script> <telerik:RadHtmlChart ID="RadHtmlChart2" runat="server" Width="350" Height="350"> <ClientEvents OnLoad="chartLoad" /> ... </telerik:RadHtmlChart>