http://www.worldlingo.com/wl/mstranslate/UP26384/T1/P2/l/microsoft/computer_translation.html?wl_lp=EN-ZH_CN&wl_fl=0&wl_rurl=http%3A%2F%2Fhttp%3A%2F%2Fwww.codeproject.com%2Faspnet%2FDATier.asp%2F&wl_url=http%3A%2F%2Fwww.codeproject.com%2Faspnet%2FDATier.asp&wlg_table=-3
作者 Paul Abarham 翻译 肖长伟
摘要
1. Designing Goals of a data access tier(DAT)DAT的设计目标
1.1 Architectural Goals 架构目标
1.2 Installation of the prototype prototype的安装
1.3 Typed DataSets
1.4 Event Logs
1.5 HttpModules
2.0 Implementing versatile data access tier(DAT) 实现通用的DAT
2.1 Implemeting a super class for data access tier. 实现一个用于DAT的超类(super class)
2.2 A performance test to evaluate SqlDataReader and DataSet objects in the business tier.
评估商业层(business tier)中SqlDataReader 和 DataSet对象的性能测试
2.3 How can I extend this data access tier (DAT) to access multi-databases.
我如何才能扩展此DAT至存取多层数据库(access multi-databases)
2.4 How can I apply database transactions with different isolation level?
我如何应用不同隔离等级(different isolation level)的数据库处理(database transactions)?
2.5 How can I insert and retrieve images?
我怎样插入和检索图象?