public EmployeesView()
 {
     CarRepository.CreateInstance();
     ClientRepository.CreateInstance();
     EmployeeRepository.CreateInstance();
     InitializeComponent();
     _cars                  = CarRepository.GetRepository();
     _clients               = ClientRepository.GetAutoParts();
     _employees             = EmployeeRepository.GetAutoParts();
     clientList.ItemsSource = _employees;
 }