get what week of the month c#
static int GetWeekNumberOfMonth(DateTime date) { date = date.Date; DateTime firstMonthDay = new DateTime(date.Year, date.Month, 1); DateTime firstMonthMonday = firstMonthDay.AddDays((DayOfWeek.Monday + 7 - firstMonthDay.DayOfWeek) % 7); if (firstMonthMonday > date) { firstMonthDay = firstMonthDay.AddMonths(-1); firstMonthMonday = firstMonthDay.AddDays((DayOfWeek.Monday + 7 - firstMonthDay.DayOfWeek) % 7); } return (date - firstMonthMonday).Days / 7 + 1; }
