亂數產生

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        int[] arry = new int[9];
        public Form1()
        {
            InitializeComponent();
        }

        private void button10_Click(object sender, EventArgs e)
        {
            int rdno;
            int temp;
            arry[0] = 0;
            arry[1] = 1;
            arry[2] = 2;
            arry[3] = 3;
            arry[4] = 4;
            arry[5] = 5;
            arry[6] = 6;
            arry[7] = 7;
            arry[8] = 8;

            for (int i = 0; i < 9; i++)
            {
                Random rd = new Random();
                rdno = rd.Next(0, 9);
                button10.Text = Convert.ToString(rdno);
                temp = arry[rdno];
                arry[rdno] = arry[arry.Length - (i + 1)];
                arry[arry.Length - (i + 1)] = temp;
            }

            button1.Text = Convert.ToString(arry[0]);
            button2.Text = Convert.ToString(arry[1]);
            button3.Text = Convert.ToString(arry[2]);
            button4.Text = Convert.ToString(arry[3]);
            button5.Text = Convert.ToString(arry[4]);
            button6.Text = Convert.ToString(arry[5]);
            button7.Text = Convert.ToString(arry[6]);
            button8.Text = Convert.ToString(arry[7]);
            button9.Text = Convert.ToString(arry[8]);

        }
        private void Form1_Load(object sender, EventArgs e)
        {
            arry[0] = 0;
            arry[1] = 1;
            arry[2] = 2;
            arry[3] = 3;
            arry[4] = 4;
            arry[5] = 5;
            arry[6] = 6;
            arry[7] = 7;
            arry[8] = 8;
            button1.Text = Convert.ToString(arry[0]);
            button2.Text = Convert.ToString(arry[1]);
            button3.Text = Convert.ToString(arry[2]);
            button4.Text = Convert.ToString(arry[3]);
            button5.Text = Convert.ToString(arry[4]);
            button6.Text = Convert.ToString(arry[5]);
            button7.Text = Convert.ToString(arry[6]);
            button8.Text = Convert.ToString(arry[7]);
            button9.Text = Convert.ToString(arry[8]);

        }
    }
}