Convert Seconds to HH:MM:SS in C#.net using TimeSpan

 CREATE AN CONSOLE APPLICATION

static void Main(string[] args)

{

int iDuration;

Console.WriteLine("Enter the seconds to convert and press enter");

iDuration = int.Parse(Console.ReadLine());

TimeSpan t = TimeSpan.FromSeconds(iDuration);

string sHours = string.Format("{0:D2}", t.Hours);

string sMinutes = string.Format("{0:D2}", t.Minutes);

string sSeconds = string.Format("{0:D2}", t.Seconds);

Console.WriteLine("\nHours:{0},Minutes:{1},Seconds:{2}",sHours,sMinutes,sSeconds);

Console.ReadKey();

}

OUTPUT