public UserDao() { cf = new QLCoffeeEntities(); }
public FeedBackDao() { cf = new QLCoffeeEntities(); }
public OrderDetailDao() //khởi tạo OrderDetailDao khởi tạo luôn biến db { cf = new QLCoffeeEntities(); }
public BrandDao() { cf = new QLCoffeeEntities(); }
public MenuDao() { cf = new QLCoffeeEntities(); }
public AccountDao() { cf = new QLCoffeeEntities(); }
public FoodDao() { cf = new QLCoffeeEntities(); }
public CategoryDao() { cf = new QLCoffeeEntities(); }