using System;

public class Program

{

    public static void Main()

    {

        var uri = new Uri(new Uri("http://sample.com/app"), "/v1/script.js");

        // in general wa are expection here that url will looks like http://sample.com/app/v1/script.js

        // but in a real it will be http://sample.com/v1/script.js

        Console.WriteLine(uri.ToString());

    }

}