C# switch語句與枚舉類型

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication2
{
    enum Day  //枚舉類型
    {
        Sunday,
        Monday,
        Tuesday,
        Wednesday,
        Thursday,
        Friday,
        Saturday
    }
    class Program
    {
        static void Main(string[] args)
        {
            Day MyDay ;
            int pass = Convert.ToInt16(Console.ReadLine());
            switch (pass)   //switch語句,等於delphi中的case語句
            {
                case (int)(Day.Sunday):
                    MyDay = Day.Sunday;
                    Console.WriteLine("今天是星期天,還可以睡個懶覺. {0}",MyDay);
                    break;
                case (int)Day.Monday :
                    MyDay = Day.Monday;
                    Console.WriteLine("今天該上班咯,新的一星期開始了!! {0}",MyDay);
                    break;
                case (int)Day.Tuesday :
                    MyDay = Day.Tuesday;
                    Console.WriteLine("本周的第二個工作日. {0}",MyDay);
                    break;
                case (int)Day.Wednesday :
                    MyDay = Day.Wednesday;
                    Console.WriteLine("本周的第三個工作日 {0}", MyDay);
                    break;
                case (int)Day.Thursday :
                    MyDay = Day.Thursday;
                    Console.WriteLine("本周的第四個工作日 {0}",MyDay);
                    break;
                case (int)Day.Friday :
                    MyDay = Day.Friday;
                    Console.WriteLine("本周的最后一個工作日, 把工作都完成明天你就可以睡懶覺了.! 加油 {0}",MyDay);
                    break;
                case (int)Day.Saturday:
                    MyDay = Day.Saturday;
                    Console.WriteLine("今天是星期六,想好去哪玩了嗎? {0}",MyDay);
                    break;
                default :
                    Console.WriteLine("你輸入了錯誤的信息");
                    break;
                    
            }

            }
        }
    }

注：switch (

Day.Sunday.ToString();//會報錯

)