2次元配列

Program.cs

using System;

namespace ConsoleApp {
	class Program {
		static void Main(string[] args) {
			var matrix = new string[,] {
				{ "1-1", "1-2", "1-3" },
				{ "2-1", "2-2", "2-3" }
			};

			for (var x = 0; x < matrix.GetLength(0); x++) {
				for (var y = 0; y < matrix.GetLength(1); y++) {
					Console.WriteLine(matrix[x, y]);
				}
			}
/*
1-1
1-2
1-3
2-1
2-2
2-3
*/
		}
	}
}