99*******

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 Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }
        private void button1_Click(object sender, EventArgs e)
        {
            int[,] arr = new int[10, 10];
            int sum = 0;
            for (int j = 0; j < 9; j++)
                for (int k = 0; k < 9; k++)
                {
                    arr[j, k] = (j + 1) * (k + 1);
                    sum = arr[j, k];
                    //listBox1.Items.Add("arr[" + (j + 1) + "]" + "[" + (k + 1) + "]=" + sum);
                }
            for (int j = 0; j < 9; j++)
            {
                listBox1.Items.Add("" + arr[j, 0] + "," + arr[j, 1] + "," + arr[j, 2] + "," + arr[j, 3] + "," + arr[j, 4] + "," + arr[j, 5] + "," + arr[j, 6] + "," + arr[j, 7] + "," + arr[j, 8]);

            }

        }
        private void listBox2_SelectedIndexChanged(object sender, EventArgs e)
        {
        }
        private void button2_Click(object sender, EventArgs e)
        {

        }
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
        }

    }
}