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  1. using System;
  2. using System.Globalization;
  3. using System.Linq;
  4. using System.Collections.Generic;
  5.  
  6. public class Test
  7. {
  8.     public static DateTime GetEndOfMonth(DateTime start, bool workingDaysOnly)
  9.     { 
  10.         int year = start.Year;
  11.         int month = start.Month;
  12.         int daysInMonth = CultureInfo.CurrentCulture.DateTimeFormat.Calendar.GetDaysInMonth(year, month);
  13.         var dt = new DateTime(year, month, daysInMonth);
  14.         if (workingDaysOnly)
  15.         {
  16.             switch (dt.DayOfWeek)
  17.             { 
  18.                 case DayOfWeek.Saturday:
  19.                     dt = dt.AddDays(-1);
  20.                     break;
  21.                 case DayOfWeek.Sunday:
  22.                     dt = dt.AddDays(-2);
  23.                     break;
  24.                 default:
  25.                     break;
  26.             }
  27.         }
  28.         return dt;
  29.     }
  30.  
  31. 	public static void Main()
  32. 	{
  33.         DateTime endOfMonth = GetEndOfMonth(DateTime.Today, true);
  34.         Console.WriteLine(endOfMonth.ToString("d"));
  35. 	}
  36. }
Success #stdin #stdout 0.04s 33888KB
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11/29/2013
https://ideone.com/R1Q8iv
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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