HtmlChart - Responsive Chart asp.net - asp.net

Question

So i was trying telerik:RadHtmlChart to try make my chart more Responsive so that when the user resize the screen the chart resize too , but it is not working ..in the code they write ""
but when i try to put it in my code its say that 'ClientEvents not supported ' any one know whey i checked the web.config and its seem fine
help
<div class="demo-container">
<telerik:RadHtmlChart runat="server" ID="BarChart" Height="300px" Width="100%">
<ClientEvents OnLoad="chartLoad" />
<PlotArea>
<XAxis>
<Items>
<telerik:AxisItem LabelText="Item 1"></telerik:AxisItem>
<telerik:AxisItem LabelText="Item 2"></telerik:AxisItem>
<telerik:AxisItem LabelText="Item 3"></telerik:AxisItem>
</Items>
</XAxis>
<Series>
<telerik:BarSeries Name="Series 1">
<SeriesItems>
<telerik:CategorySeriesItem Y="25"></telerik:CategorySeriesItem>
<telerik:CategorySeriesItem Y="-12"></telerik:CategorySeriesItem>
<telerik:CategorySeriesItem Y="39"></telerik:CategorySeriesItem>
</SeriesItems>
</telerik:BarSeries>
<telerik:BarSeries Name="Series 2">
<SeriesItems>
<telerik:CategorySeriesItem Y="-15"></telerik:CategorySeriesItem>
<telerik:CategorySeriesItem Y="38"></telerik:CategorySeriesItem>
<telerik:CategorySeriesItem Y="-11"></telerik:CategorySeriesItem>
</SeriesItems>
</telerik:BarSeries>
</Series>
</PlotArea>
</telerik:RadHtmlChart>
</div>

Answer 1

The following online resources show how to make RadHtmlChart responsive:
Responsive Telerik RadHtmlChart
https://demos.telerik.com/aspnet-ajax/htmlchart/examples/functionality/responsive-chart/defaultcs.aspx
https://www.telerik.com/support/code-library/radhtmlchart-in-a-responsive-web-page
window.onresize = function () {
$find("<%=RadHtmlChart1.ClientID%>").get_kendoWidget().resize();
}