hello im genjiro from indonesia...
 
im talking the mehtod for c# console...
the my code building this..
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
    class Program
    {
       
        static void Main(string[] args)
        {
            Boolean loop = true;
            do{
                try
                {
                    Console.WriteLine("Masukkan Nilai 1 :");
                    int x = Convert.ToInt32(Console.ReadLine());
                    Console.WriteLine("Masukkan Nilai 2 :");
                    int z = Convert.ToInt32(Console.ReadLine());
                    int hasil = x * z;
                    Console.WriteLine("\nhasil {0}*{1}={2}",x,z,hasil);
                }
                catch (DivideByZeroException divideZeroExp)
                {
                    Console.WriteLine("Notice" + divideZeroExp.Message);
                    Console.WriteLine("Operasi Gagal Coba lagi...");
                }
                catch (FormatException formExp)
                {
                    Console.WriteLine("Notice" + formExp.Message);
                    Console.WriteLine("Format Masukan salah Coba lagi....");
                }
            }
            while(loop);
            
        }
        
    }
}
ok this my question is..
how to change the operation to multi function operation likes this div,mul,add dll...
ok thanks im wait  the answer...
Jiro...