client

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleClient
{
    class MyClient
    {
        static void Main(string[] args)
        {
            TcpChannel tcpChannel = new TcpChannel();
            ChannelServices.RegisterChannel(tcpChannel, true);
            Type requiredType = typeof(gradeCalculate);

            gradeCalculate remoteObject = (gradeCalculate)Activator.GetObject(requiredType, "tcp://localhost:9998/DrivingLesson");


            string username, password;

            System.Console.WriteLine("please enter your Username");
            username = Console.ReadLine();
            System.Console.WriteLine("Please enter your password");
            password = Console.ReadLine();
            bool authenticated = remoteObject.authenticate(username,password);
            Console.Clear();

            while (authenticated)
            {
                System.Console.WriteLine("Menu");
                System.Console.WriteLine("1) Enter Marks");
                System.Console.WriteLine("2) Show results");
                System.Console.WriteLine("0) Exit");
                int mainMenuOption = Console.Read();

                switch (mainMenuOption)
                {
                    case 1:


                        break;
                    case 2:
                        break;
                    case 3:
                        break;
                    default:
                        authenticated = false;
                        break;

                }


            }


            System.Console.WriteLine(authenticated );

        }
    }
}