Add a 'today' button
<telerik:RadDatePicker ID="dtDeactivated" runat="server" CssClass="telerik">
<Calendar runat="server">
<FooterTemplate>
<div style="width: 100%; text-align: center; background-color: Gray;">
<input id="Button1" type="button" value="Today" onclick="GoToToday()" />
</div>
</FooterTemplate>
</Calendar>
</telerik:RadDatePicker>
<script type="text/javascript">
function GoToToday() {
var datepicker = $find("<%=dtDeactivated.ClientID%>");
var dt = new Date();
datepicker.set_selectedDate(dt);
}
</script>
Highlight today's date
<telerik:RadDatePicker ID="RadDatePicker12" runat="server" Culture="English (United States)">
<Calendar>
<SpecialDays>
<telerik:RadCalendarDay Repeatable="Today" ItemStyle-BackColor="Bisque" />
</SpecialDays>
</Calendar>
</telerik:RadDatePicker>