public static int EncodeTime(DateTime d)
{
GregorianCalendar calendar = new GregorianCalendar();
int millisInDay =
(int)(calendar.GetHour(d) * 3600000 +
calendar.GetMinute(d) * 60000 +
calendar.GetSecond(d) * 1000 +
calendar.GetMilliseconds(d)) * 10;
return millisInDay;
}
public static TimeSpan DateTimeToTimeSpan(DateTime d)
{
GregorianCalendar calendar = new GregorianCalendar();
return new TimeSpan(0, calendar.GetHour(d), calendar.GetMinute(d), calendar.GetSecond(d), (int)calendar.GetMilliseconds(d));
}