public ChiTietPhieuDatHangBusiness() { dbContext = new QLWebDBEntities(); _chiTietPhieuDatHangRepo = new ChiTietPhieuDatHangReponsitory(dbContext); _hangHoaRepo = new HangHoaReponsitory(dbContext); _loaiHangHoaRepo = new LoaiHangHoaReponsitory(dbContext); }