using System;

using System.Web.Security.AntiXss;

public class Program

{

    public static void Main()

    {

        var url= "https://docs.microsoft.com/en-us/dotnet/api/system.web.security.antixss.antixssencoder.urlencode?view=netframework-4.5#System_Web_Security_AntiXss_AntiXssEncoder_UrlEncode_System_String_";

        var encoded = AntiXssEncoder.UrlEncode(url);

                Console.WriteLine(url);         

        Console.WriteLine(encoded);

​

​

        Console.WriteLine("Hello World");

    }

}