using System;

public class Program

{

    public static void Main()

    {

        var booleano = (bool)Convert.ChangeType("true",typeof(bool));

        Console.WriteLine(booleano.GetType()+ " => "+ booleano);

        var numero = (int)Convert.ChangeType("123",typeof(int));

        Console.WriteLine(numero.GetType()+ " => "+ numero);

        var timespan = TimeSpan.Parse("01:02:03");

        Console.WriteLine(timespan.GetType()+ " => "+ timespan);

        timespan = (TimeSpan)Convert.ChangeType("01:02:03",typeof(TimeSpan));

        Console.WriteLine(timespan.GetType()+ " => "+ timespan);

    }

}