HYPERLINK :blogsmahongboarchive201105242056104 .Net中七层架构浅析.Net中七层架构浅析Model实体层DBUtility数据访问抽象类IDAL数据访问接口层SQLServerDAL数据访问层DALFactory数据访问工厂类BLL业务逻辑层UI界面层一项目名称及描述：(实现步骤为：4-3-6-5

Click to edit Master title styleClick to edit Master text stylesSecond levelThird levelFourth levelFifth levelData Warehouses and OLAPSlides by Nikos MamoulisMulti-Tiered ArchitectureDataWarehouseExtr