using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

        CultureInfo cultureInfo = CultureInfo.InvariantCulture;

        string currencyVal = "111000";

        string currencyFormat = "0:##,##,##,##,##,###.##";

​

        string formattedPrice = decimal.Parse(currencyVal).ToString(currencyFormat, cultureInfo.NumberFormat);

        Console.WriteLine("Formatted Price - " + formattedPrice);

    }

}