How hide notification context menu icon ?
<telerik:RadNotification ID="RadNotification1" Skin="Glow" VisibleOnPageLoad="false" Animation="Fade" AutoCloseDelay="10000" runat="server" ContentScrolling="None" Height="260px" Position="Center" RenderMode="Auto" TitleIcon="none" ContentIcon="none" ShowTitleMenu="True" Title="DataBase NaN values report" TitleMenuToolTip="" Width="320px" EnableRoundedCorners="True" EnableShadow="True"></telerik:RadNotification>