Total days between two dates

In this blog we will know how to calculate total days between two dates.

In this blog we will know how to calculate total days between two dates. 

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

        private void btn_total_Click(object sender, EventArgs e)
        {
            int Totaldays = duration(textBox1.Text, textBox2.Text);
label1.Text = Convert.ToString(Totaldays);
        }

        public int duration(string startdate, string enddate)
        {

            DateTime dt1 = DateTime.Parse(Convert.ToDateTime(textBox1.Text).ToString("dd/MM/yyyy"));
            DateTime dt2 = DateTime.Parse(Convert.ToDateTime(textBox2.Text).ToString("dd/MM/yyyy"));
            TimeSpan ts = dt2.Subtract(dt1);
            int days = ts.Days;
            return days;
        }
    }
}