int[] numbers = new int[100];
        for (int i = 0; i < 100; i++)
            numbers[i] = i;
        Random rd = new Random();
        int index, realLength = numbers.Length, temp;
        for (int i = 0; i < 100; i++)
        {
            index = rd.Next(realLength);
            Response.Write(numbers[index] + "<br/>");
            temp = numbers[index];
            numbers[index] = numbers[realLength - 1];
            numbers[realLength - 1] = temp;
            realLength--;
        }