visual studio 2010 数据库连接配置
<connectionStrings>
当中怎么填?
</connectionStrings>

App_Data中有db_ExamOnline.mdf

[解决办法]
<add key="access_con" value="Provider=Microsoft.Jet.OleDb.4.0;Data Source=|DataDirectory|\\db_ExamOnline.mdb" ></add>
[解决办法]