using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("double+ToEven: {0}", Math.Round(2.135, 2, MidpointRounding.ToEven));

        Console.WriteLine("double+AwayFromZero: {0}", Math.Round(2.135, 2, MidpointRounding.AwayFromZero));

        Console.WriteLine("decimal+ToEven: {0}", Math.Round(2.135m, 2, MidpointRounding.ToEven));

        Console.WriteLine("decimal+AwayFromZero: {0}", Math.Round(2.135m, 2, MidpointRounding.AwayFromZero));

    }

}