using System;

public class Program

{

    public static void Main()

    {

        var sb = new sbyte[] { -1, 5 };

        try {   

            var by2 = Array.ConvertAll(sb, (sby) => Convert.ToByte(sby));

            var text2 = string.Join(",", by2);

            Console.WriteLine("Result of Convert.ToByte is:" + text2);

        } catch (OverflowException e) {

            Console.WriteLine("Result of Convert.ToByte is:" + e.Message);

        }

        var by = Array.ConvertAll(sb, (sby) => (byte)sby);

        var text = string.Join(",", by);

        Console.WriteLine("Result of (byte) is:" + text);

    }

}