Hi TwoLaJit,
Here is a sample code which enables the footer area in RadDateTimePicker popup calendar:
RadDateTimePickerCalendar datePickerCalendarBehavior = (this.radDateTimePicker1.DateTimePickerElement.GetCurrentBehavior() as RadDateTimePickerCalendar);
RadCalendar calendar = datePickerCalendarBehavior.Calendar;
calendar.ShowFooter = true;
calendar.CalendarElement.CalendarStatusElement.Text = "";
datePickerCalendarBehavior.DropDownMinSize = new Size(250, 250);
I hope this helps.
Sincerely yours,
Boyko Markov
the Telerik team