C # time function extension Select Blog of Jeremychin

// This week is the first week of this week private int DTEPART (Int weeknow = convert.toint32 (dt.dayofweek); // Today's day int daysdiff = (-1) * (WeekNow 1) / / Today and the number of days in the last weekend int days = system.datetime.now.adddays (daydiff) .dayofyear; // last weekend is the day the day Int weeks = days / 7; if (days% 7! = 0) {weeks ;} // At this time, weeks is last week to return (Weeks 1);} // This week's start date Private string weekRange (System.Datetime DT) {int WeekNow = Convert .Toint32 (DT.dayofweek); int daysdiff = (-1) * WeekNow; int dayadd = 6-weeknow; string datebegin = system.datetime.now.adddays (daydiff) .date.toString ("MM Moon DD Day") String datend = system.datetime.now.adddays (dayadd) .date.tostring ("MM Month DD Day"); Return DateBegin "-" Datend;