C # PROGRAMI İLE ÖRNEK SORULAR-13

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

namespace sınıflar

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click_1(object sender, EventArgs e)

        {

            DateTime ilk, son;

            ilk = Convert.ToDateTime(textBox1.Text);

            son = Convert.ToDateTime(textBox2.Text);

            MessageBox.Show("hesaplanan gün="    +(son-ilk));

        }

    }

}