public static int GetWeekNumOfYear(DateTime dt) { int days = dt.DayOfYear + (7 - (int)dt.DayOfWeek); return days / 7 + (days % 7 == 0 ? 0 : 1); }
public static int GetWeekNumOfYear(DateTime dt) { int days = dt.DayOfYear + (7 - (int)dt.DayOfWeek); return days / 7 + (days % 7 == 0 ? 0 : 1); }