C#: Sort elements of array in ascending order

using System;

public class Exercise11  
{  
    public static void Main() 
    {
        int[] arr1 = new int[10]; // Declare an array to store integers
        int n, i, j, tmp; // Declare variables for array size, counting, and temporary storage

        // Display a message prompting the user to input the size of the array
        Console.Write("\n\nSort elements of array in ascending order :\n");
        Console.Write("----------------------------------------------\n");	

        Console.Write("Input the size of array : ");
        n = Convert.ToInt32(Console.ReadLine()); // Read the size of the array entered by the user

        // Prompt the user to input 'n' elements in the array
        Console.Write("Input {0} elements in the array :\n", n);
        for (i = 0; i < n; i++)
        {
            Console.Write("element - {0} : ", i);
            arr1[i] = Convert.ToInt32(Console.ReadLine()); // Store user input in the array
        }

        // Sort the elements of the array in ascending order using nested loops and swapping if needed
        for (i = 0; i < n; i++)
        {
            for (j = i + 1; j < n; j++)
            {
                if (arr1[j] < arr1[i]) // Compare elements to arrange them in ascending order
                {
                    tmp = arr1[i]; // Swap elements if the condition is met
                    arr1[i] = arr1[j];
                    arr1[j] = tmp;
                }
            }
        }

        // Display the sorted elements of the array in ascending order
        Console.Write("\nElements of array in sorted ascending order:\n");
        for (i = 0; i < n; i++)
        {
            Console.Write("{0}  ", arr1[i]); // Print sorted elements
        }
        Console.Write("\n\n"); // Print a new line for formatting
    }
}