Message Box using Telerik Rad Window Manager

Message Box using Telerik Rad Window Manager

<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server" EnablePageHeadUpdate="False" EnableAJAX="true">         </telerik:RadAjaxManager> <telerik:RadWindowManager ID="RadWindowManager1" runat="server" EnableShadow="false"  DestroyOnClose="true"> </telerik:RadWindowManager>

public void ShowMessage(string message, int x = 350, int y = 150) {   RadWindowManager window = null;   window = (RadWindowManager)this.Page.FindControl("RadWindowManager1");   window.DestroyOnClose = true;   window.EnableShadow = false;   window.RadAlert(message, x, y, "Information", "");  } //To call ShowMessage(“Message that needs to be displayed”);