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public int WeekOfTheYear(System.DateTime dt )
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{
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//获取
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CultureInfo myCI = new CultureInfo("zh-CN");
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System.Globalization.Calendar myCal = myCI.Calendar;
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//日期格式
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CalendarWeekRule myCWR = myCI.DateTimeFormat.CalendarWeekRule;
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DayOfWeek myFirstDOW = myCI.DateTimeFormat.FirstDayOfWeek;
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//本周为第myCal.GetWeekOfYear( DateTime.Now, myCWR, myFirstDOW )周
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int thisWeek = myCal.GetWeekOfYear(dt, myCWR, myFirstDOW);
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return thisWeek;
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}
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