using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Normalize(ToDecimal("2")));

    }

    public static string Normalize(decimal value)

    {

        var numberFormatInfo = new NumberFormatInfo();

        numberFormatInfo.NumberDecimalSeparator = ".";

​

        // Ako koristimo decimal.ToString(...), tada ostaju nule na kraju broja, bez obzira na sve... Pa koristimo string.Format.

        return string.Format(numberFormatInfo, "{0:0.##}", value);

    }

     public static decimal ToDecimal(string value)

     {

         var numberFormatInfo = new NumberFormatInfo();

         numberFormatInfo.NumberDecimalSeparator = ".";

​

         decimal target;

         if (

             !decimal.TryParse(value, NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign,

                               numberFormatInfo, out target))

         {

             return 0;

         }

​

         return target;

     }

}