这是用C#语言和SQL数据库实现的商品购物系统，此系统的功能有产品信息浏览，平台相关信息，购物车，结算中心，会员注册登陆和用户留言等功能-This is the C# language and SQL database products to systems, this system has product information browsing, information platform, shopping cart, billing centers, membership registr