摘要：
usingSystem;usingSystem.Data;usingSystem.Data.Common;usingSystem.Configuration;publicclassDbHelper{privatestaticstringdbProviderName=ConfigurationManager.AppSettings["DbHelperProvider"];privatestaticstringdbConnectionString=ConfigurationManager.AppSettings["DbHelperConnectionString&qu 阅读全文
posted @ 2008-11-21 17:36 codingsilence 阅读(368) 评论(0) 推荐(0) 编辑