C#网上订餐系统。开发环境VS2010，SQL2008，包含注册短信验证，登入系统（管理员，客户），可修改客户密码，分管权限。删除添加订单。(C# online ordering system. Development environment VS2010, SQL2008, including registration SMS verification, login system (administrator, customer), can modify customer password, in charge of authority. Delete add order.)