static void Main(string[] args)
        {
            int[] num = new int[] { 20, 50, 10, 70, 40, 80, 30, 90, 60 };
            int t = 0;
            for (int i = 0; i < num.Length; i++)
            {
                for (int j = i + 1; j < num.Length; j++)
                    if (num[i] > num[j])
                    {
                        t = num[i];
                        num[i] = num[j];
                        num[j] = t;
                    }
            }
            Console.WriteLine("Sorting elements in Ascending Order :\n");
            for (int i = 0; i < num.Length; i++)
                Console.WriteLine(num[i]);
            Console.ReadLine();
        }