Get List of Weeks of Current month in c# dropdownlist of visual web-part

int month = 1;
int year = 2013; 
var cal = System.Globalization.CultureInfo.CurrentCulture.Calendar; 
IEnumerable<int> daysInMonth = Enumerable.Range(1, cal.GetDaysInMonth(year, month));
List<Tuple<int, DateTime, DateTime>> listOfWorkWeeks = daysInMonth .Select(day => new DateTime(year, month, day)) .GroupBy(d => cal.GetWeekOfYear(d, CalendarWeekRule.FirstFourDayWeek, DayOfWeek.Monday)) .Select(g => Tuple.Create(g.Key, g.First(), g.Last(d => d.DayOfWeek != DayOfWeek.Saturday && d.DayOfWeek != DayOfWeek.Sunday))) .ToList();
// Item1 = week in year, Item2 = first day, Item3 = last working day int weekNum = 1;
 foreach (var weekGroup in listOfWorkWeeks)
 {
 Console.WriteLine("Week{0} = {1} {2} to {1} {3}" , weekNum++ , System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(month) , weekGroup.Item2.Day , weekGroup.Item3.Day);
 }

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