public static int weekofyear(DateTime dtime)
{
int weeknum = 0;
DateTime beginDate = new DateTime(dtime.Year, 1, 1);
DateTime endDate = new DateTime(dtime.Year, 12, 31);
if (endDate.DayOfWeek() < 7 && (endDate.DayOfYear - dtime.DayOfYear) < 6)
weeknum = 1;
else
weeknum = (dtime.DayOfYear - dtime.DayOfWeek() - (7 - beginDate.DayOfWeek() + 1)) / 7 + 2;
return weeknum;
}
/// <summary>
/// Week Of Year For EF
/// </summary>
/// <param name="dtime"></param>
/// <returns></returns>
public static int WeekOfYear(this DateTime dtime)
{
int weeknum = 0;
DateTime beginDate = new DateTime(dtime.Year, 1, 1);
DateTime endDate = new DateTime(dtime.Year, 12, 31);
//weeknum = (dtime.DayOfYear - dtime.DayOfWeek() - (7 - beginDate.DayOfWeek() + 1)) / 7 + 2;
if (dtime.DayOfYear - beginDate.DayOfYear < 7)
weeknum = 1;
else
weeknum = (dtime.DayOfYear - dtime.DayOfWeek() - (7 - beginDate.DayOfWeek() + 1)) / 7 + 2;
return weeknum;
}
