/// <summary>
 /// For testing against a specified DataAccessFacade
 /// </summary>
 /// <param name="dataAccessFacade"></param>
 public CustomerController(IDataAccessFacade dataAccessFacade)
 {
     this.dataAccessFacade = dataAccessFacade;
     customerCollection = new CustomerCollection(dataAccessFacade);
 }
 public CustomerController()
 {
     dataAccessFacade = DataAccessFacade.GetInstance();
     customerCollection = new CustomerCollection(dataAccessFacade);
 }