public static DateValue Add(DateValue dat, DayTimeDurationValue duration)
{
try
{
decimal seconds = (decimal)duration.LowPartValue.Ticks / TimeSpan.TicksPerSecond;
decimal julian = dat.ToJulianInstant();
julian += seconds;
DateTimeValue dt = DateTimeValue.CreateFromJulianInstant(julian);
if (dat.IsLocal)
return new DateValue(dt.S, dt.Value.Date);
else
return new DateValue(dt.S, new DateTimeOffset(dt.Value.Date, dat.Value.Offset));
}
catch (ArgumentOutOfRangeException)
{
throw new XQueryException(Properties.Resources.FODT0001);
}
}
