xiaoyaoyou - 2009-4-17 14:41:41
<add name="ConnectionString" connectionString="Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Database.mdf;Integrated Security=True;User Instance=True" providerName="System.Data.SqlClient"/>
|DataDirectory| 应该是指应用程序默认数据库文件夹吧,如:App_Data目录
未作验证,只是见别人源码有这样写