using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ch9_4
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                int a = Int32.Parse(textBox1.Text);
                int b = Int32.Parse(textBox2.Text);
                int r = a / b;
                label3.Text = r.ToString();
            }
            catch (FormatException)
            {
                MessageBox.Show("Format Exception ");
            }
            catch (DivideByZeroException)
            {
                MessageBox.Show("Divide By Zero Exception ");
            }
        }
    }
}
