2-D array arr to the method

• passing an 2-D array arr to the method transpose which gave the transpose of the matrix. GetLength()  method is used for the count the total number of elements in a particular dimension.

  class _2DasArgument  
   {  
     static int temp = 0;  
     static void transpose(int[,] arr)  
     {  
       for (int i = 0; i < arr.GetLength(0); i++)  
       {  
         for (int j = i; j < arr.GetLength(1); j++)  
         {  
           temp = arr[i, j];  
           arr[i, j] = arr[j, i];  
           arr[j, i] = temp;  
         }  
       }  
     }  
     // to display the transposed matrix   
     static void displayresult(int[,] arr)  
     {  
       Console.WriteLine("Matrix After Transpose: ");  
       for (int i = 0; i < arr.GetLength(0); i++)  
       {  
         for (int j = 0; j < arr.GetLength(1); j++)  
           Console.Write(arr[i, j] + " ");  
         Console.WriteLine();  
       }  
     }  
     static public void Main()  
     {  
       // declaration of an 2-d array   
       int[,] arr;  
       // initialzing 2-D array   
       // matrix of 4 rows and 4 colums   
       arr = new int[4, 4]{ { 1, 2, 3, 4},  
                { 5, 6, 7, 8},  
                {9, 10, 11, 12},  
                {13, 14, 15, 16} };  
       Console.WriteLine("Matrix Before Transpose: ");  
       for (int i = 0; i < arr.GetLength(0); i++)  
       {  
         for (int j = 0; j < arr.GetLength(1); j++)  
           Console.Write(arr[i, j] + " ");  
         Console.WriteLine();  
       }  
       Console.WriteLine();  
       // calling transpose method   
       transpose(arr);  
       // calling displayresult method   
       // to display the result   
       displayresult(arr);  
       Console.ReadLine();  
     }