static void Main(string[] args) { try { BusinessManager manager = BusinessManager.Instance; manager.AjouterEmployee(new Employee()); List <Employee> employees = manager.GetAllEmployee(); System.Console.WriteLine("---- LISTE DES EMPLOYEE -----"); foreach (Employee c in employees) { System.Console.WriteLine("Employee ID {0} : {1}", c.Id, c.Nom); } } catch (Exception e) { e.ToString(); } }