c# 获取上周时间

  int n = (int)DateTime.Now.DayOfWeek;
                   startDate = DateTime.Now.AddDays(-7 - n).ToString("yyyy-MM-dd");//上周第一天
                   endDate = DateTime.Now.AddDays(-n).ToString("yyyy-MM-dd");//上周最后一天

转载于:https://www.cnblogs.com/hacker84/archive/2009/03/02/1401613.html