using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace ConsoleApp1

{

    class Program

    {

        static void Main(string[] args)

        {

            DateTime date1 = new DateTime(2008, 8, 14);

            DateTime date2 = new DateTime(2008, 4, 24);

            TimeSpan timespan = date1.Subtract(date2);

            Console.WriteLine("There are {0} number of days between {1} and {2}", timespan.TotalDays, date1.ToShortDateString(), date2.ToShortDateString());

            Console.ReadLine();

        }

    }

}

​