DateTimePicker ClockItemsSource doesn't show the time span 23:59:59 the Time popup shows upto 22:00:00
RadDateTimePickerObj.ClockItemsSource = new List<TimeSpan> {
new TimeSpan(0,0,0), new TimeSpan(1, 0, 0), new TimeSpan(2, 0, 0), new TimeSpan(3,0,0), new TimeSpan(4,0,0)
,new TimeSpan(5,0,0),new TimeSpan(6,0,0),new TimeSpan(7,0,0),new TimeSpan(8,0,0),new TimeSpan(9,0,0),new TimeSpan(10,0,0)
,new TimeSpan(11,0,0)
,new TimeSpan(12,0,0),new TimeSpan(13,0,0),new TimeSpan(14,0,0),new TimeSpan(15,0,0),new TimeSpan(16,0,0),new TimeSpan(17,0,0),new TimeSpan(18,0,0),new TimeSpan(19,0,0),
new TimeSpan(20,0,0),new TimeSpan(21,0,0),new TimeSpan(22,0,0),new TimeSpan(23,59,59)
};