随机生成不重复数值

  public void BuildRandom()
        {
            int[] i = new int[10];
            Random r = new Random();
            int icount = 0;
            while (icount < 10)
            {
                int h = r.Next(1, 11);
                if (!i.Contains(h))
                {
                    Label1.Text += h.ToString() + ",";
                    i[icount] = h;
                    icount++;
                }
            }
        }

  public void BuildRandom()
        {
            int[] i = new int[100];
            Random r = new Random();
            for (int j = 0; j < 101; j++)
            {
                int h = r.Next(1, 101);
                if (!i.Contains(h))
                {
                    i[j] = h;
                }
                else
                {
                    j = j - 1;
                    if (!i.Contains(0))
                    {
                        break;
                    }
                }
            }
        }