using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        double value = 111234.0;

        double per = 12.15;

      Console.WriteLine(value.ToString("C0", CultureInfo.GetCultureInfo("sv-se")));

      Console.WriteLine(value.ToString("C3", CultureInfo.GetCultureInfo("sv-se")));

        Console.WriteLine(val.ToString("P", CultureInfo.InvariantCulture));

​

    }

}