using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        float a = 1255.4F;

        decimal d = 1255.4M;

        Console.WriteLine(d.ToString("0.00#"));      // "123.46"

        Console.WriteLine(a.ToString("0.00#"));      // "123.46"

​

    }

}

​

​

​