public bool Delete(ICustomer customer)
 {
     return(CustomerAccessFacade.Delete(customer));
 }
 public List <ICustomer> LoadAllCustomers()
 {
     customersList = CustomerAccessFacade.LoadAllCustomers();
     return(customersList);
 }
 public bool Update(ICustomer customer)
 {
     return(CustomerAccessFacade.Update(customer));
 }
 public void SaveCustomer(ICustomer customer)
 {
     customersList.Add(customer);
     CustomerAccessFacade.SaveAllCustomers(customersList);
 }