using System;

public class Program

{

    public static void Main()

    {

        var StartDate = DateTime.Now;

        var temp = StartDate.ToString("yyyy-MM-dd HH:mm:ss");

        var d2 = DateTime.ParseExact(temp,"yyyy-MM-dd HH:mm:ss",null);

        Console.WriteLine(temp);

        Console.WriteLine(d2);

    }

}