Use the Parse() method to convert strings to TimeSpan instances : TimeSpan Parse : Date Time C# Examples

    
using  System;

class  MainClas
{
    public  static  void  Main()
    {
        
        TimeSpan  myTimeSpan11  =  TimeSpan.Parse("8:10:30");
        Console.WriteLine("TimeSpan.Parse(\"8:10:30\")  =  "  +  myTimeSpan11);
    }
}