static void AddEmployee()
        {
            EmployeeBusinessLogic employeeBusinessLogic = new EmployeeBusinessLogic();
            Employee employee = new Employee();

            Console.Write("Enter Emp ID: ");
            employee.EmployeeID = int.Parse(Console.ReadLine());
            Console.Write("Enter Emp Name: ");
            employee.EmployeeName = Console.ReadLine();

            employeeBusinessLogic.Add(employee);
            Console.WriteLine("Employee Added.\n");
        }