// Two-dimensional array. int[,] array2D = new int[,] { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } }; // The same array with dimensions specified. int[,] array2Da = new int[4, 2] { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } }; // A similar array with string elements. string[,] array2Db = new string[3, 2] { { "one", "two" }, { "three", "four" }, { "five", "six" } }; // Three-dimensional array. int[, ,] array3D = new int[,,] { { { 1, 2, 3 }, { 4, 5, 6 } }, { { 7, 8, 9 }, { 10, 11, 12 } } }; // The same array with dimensions specified. int[, ,] array3Da = new int[2, 2, 3] { { { 1, 2, 3 }, { 4, 5, 6 } }, { { 7, 8, 9 }, { 10, 11, 12 } } }; // Accessing array elements. System.Console.WriteLine(array2D[0, 0]); System.Console.WriteLine(array2D[0, 1]); System.Console.WriteLine(array2D[1, 0]); System.Console.WriteLine(array2D[1, 1]); System.Console.WriteLine(array2D[3, 0]); System.Console.WriteLine(array2Db[1, 0]); System.Console.WriteLine(array3Da[1, 0, 1]); System.Console.WriteLine(array3D[1, 1, 2]); // Getting the total count of elements or the length of a given dimension. var allLength = array3D.Length; var total = 1; for (int i = 0; i < array3D.Rank; i++) { total *= array3D.GetLength(i); } System.Console.WriteLine("{0} equals {1}", allLength, total); // Output: // 1 // 2 // 3 // 4 // 7 // three // 8 // 12 // 12 equals 12