using System;
using System.Collections.Generic;
using
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace 九九乘法表
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.textBox1.Visible = true;
            
            for (int i = 1; i <= 9; i++)
            {
                for (int j = 1; j <= 9; j++)
                {
                    if (i >= j)
                    {
                        Console.WriteLine(j + "*" + i + "=" + i * j);
                    }
                }
            }

        }
    }
}