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  • 19,随机数,不重复。

                Random rnd = new Random();
                ArrayList al = new ArrayList();

                for (int i = 1; i <= 9; i++)
                {
                    al.Add(i);
                }

                ArrayList al2 = new ArrayList();

                while (al.Count > 0)
                {
                    int i=rnd.Next(al.Count - 1);
                 
                    al2.Add(al[i]);

                    al.RemoveAt(i);
                }

                if (al2[8].ToString().Equals("9"))
                {
                    int i = rnd.Next(0, 8);
                    int iz = Convert.ToInt32(al2[i].ToString());
                    al2[8] = iz;
                    al2[i] = 9;
                }

                this.textBox1.Text = al2[0] + "," +

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  • 原文地址:https://www.cnblogs.com/binlunia/p/11267735.html
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