Question

How to gets the last time a file was written to in C#

Answer 1

using System;
using System.IO;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string file = @"d:\data.txt";

            try
            {
                DateTime d = File.GetLastWriteTime(file);
                Console.WriteLine(d);
            }
            catch (IOException ioex)
            {
                Console.WriteLine(ioex.Message);
            }
        }
    }
}

/*
run:
   
3/12/2015 10:53:04 AM

*/

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Answer 2

using System;
using System.IO;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string file = @"d:\data.txt";

            try
            {
                DateTime d = File.GetLastWriteTimeUtc(file); // universal time (UTC)

                Console.WriteLine(d);
                
            }
            catch (IOException ioex)
            {
                Console.WriteLine(ioex.Message);
            }
        }
    }
}

/*
run:
   
3/12/2015 8:53:04 AM

*/

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