kansas...

using System;

namespace ConsoleApp7
{
    class Program
    {
        static void Main(string[] args)
        {
            int arrayLength = 10;
            Random rand = new Random();
            int[] array = new int[arrayLength];
            for (int i = 0; i < array.Length; i++)
            {
                array[i] = rand.Next(0, 50);
                Console.WriteLine(array[i] + " ");
            }
            ShuffleArray(array, arrayLength);
            Console.WriteLine("After shuffle:");
            for (int j = 0; j < array.Length; j++)
            {
                Console.WriteLine(array[j] + " ");
            }
        }
        static int[] ShuffleArray(int[] array, int length)
        {
            int tempNum;
            Random rng = new Random();
            for (int j = 0; j < length; j++)
            {
                int randOrder = rng.Next(0, length);
                tempNum = array[j];
                array[j] = array[randOrder];
                array[randOrder] = tempNum;
            }
            return array;
        }
    }
}