用c# 產生一個 int 數組 長度為100,並向其中隨機插入 1-100 ,並且不能重複

class getRandowArray
    {
        public getRandowArray()
        {
            arr = new int[100];
        }
        int[] arr;

        /// <summary>
        /// 檢查數組中是否已存在此數
        /// </summary>
        /// <returns>ture為已存在</returns>
        private bool checkNumber(int arrlist)
        {
            for (int i = 0; i < arrlist; ++i)
            {
                if (arr[i] == arr[arrlist])
                    return true;
            }
            return false;
        }

        /// <summary>
        /// 產生數組
        /// </summary>
        /// <returns>數組</returns>
        public int[] produceRandomArray()
        {
            Random rd=new Random();
            for (int i = 0; i < 100; ++i)
            {
                //int temp=0;

                do
                {
                    //temp = rd.Next(1, 101);
                    //arr[i] = temp;
                    arr[i] = rd.Next(1, 101);
                }
                while (checkNumber(i));
            }
            return arr;
        }
    }
    class Program
    {

        static void Main(string[] args)
        {
            getRandowArray produceArr = new getRandowArray();
            int[] arr = produceArr.produceRandomArray();
            for (int i = 0; i < arr.Length; ++i)
            {
                Console.WriteLine(arr[i]);
            }
        }
    }