多次元配列の要素列挙

Program.cs

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

namespace ConsoleApplication1
{
  class Program
  {
    static void Main(string[] args)
    {
      var a = new int[,] { { 1, 2, 3 }, { 4, 5, 6 } };

      foreach (var i in a)
      {
        Console.WriteLine(i);
      }
    }
  }
}