1private DateTime getSunday(DateTime fromDate) {
2    DateTime sunday = fromDate;
3    if (fromDate.DayOfWeek != DayOfWeek.Sunday) {
4	DateTime temp;
5	int dow = (int)fromDate.DayOfWeek;
6	temp = fromDate.AddDays(-dow);
7	if (temp.DayOfWeek == DayOfWeek.Sunday) {
8	    sunday = temp;
9	}
10    }
11    return sunday;
12}
13
14

// November 11 is a Wednesday
DateTime wed = new System.DateTime(2007, 11, 7);
Console.WriteLine(getSunday(wed));