Customers can register online and order goods. The system uses a multi-layer model to develop back-end functions including: Customer Management Customer Information Management Permission management Permission addition Permission information management Employee management Employee addition Employee information management Role management Role addition Role information management Order Management Order Information Management Product management Product addition Product information management Product category management Product category addition The administrator implements multi-level management. The backend interface is a bit confusing. Please adjust it yourself. DB_51aspx is a Sql database. You can add the background management address: admin/Login.aspx. The default login account/password: 51aspx/51aspx Note: Verification code is case sensitive