Math.Round.AwayFromZero.cs

using System;
using System.Globalization;

namespace MathRound.Demo
{
    class Program
    {
        static void Main()
        {
            Console.WriteLine("Math.Round(x, MidpointRounding.AwayFromZero)");
            
            Console.WriteLine(Round(1.5));
            Console.WriteLine(Round(2.5));
            Console.WriteLine(Round(3.5));
        }

        private static string Round(double value)
        {
            var result = Math.Round(value, MidpointRounding.AwayFromZero);
            return string.Format(CultureInfo.InvariantCulture, "Math.Round({0}) --> {1}", value, result);
        }
    }
}