Code Execution Time using Stop watch

            using System.Diagnostics;

            using System.Threading;        

            ............

    

            Stopwatch stopWatch = new Stopwatch();

            stopWatch.Start();

            //instead of this there is line of code that you are going to execute

            Thread.Sleep(1000);

            stopWatch.Stop();

            // Get the elapsed time as a TimeSpan value.

            TimeSpan ts = stopWatch.Elapsed;

            string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}",

            ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10);

            Console.WriteLine(elapsedTime);

            Console.ReadLine();