Asp.net 如何获取的App.config配置文件里的数据库连接信息

Asp.net 怎么获取的App.config配置文件里的数据库连接信息
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Asp.net 怎么获取的App.config配置文件里的数据库连接信息.

------解决方案--------------------------------------------------------
app.config配置
<connectionStrings>
<add name="conn" connectionString="Data Source=.;Integrated Security=True;DataBase=MyOffice" />
</connectionStrings> 

C#代码
string connectionString = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;
------解决方案--------------------------------------------------------
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app.config配置
<connectionStrings>
<add name="conn" connectionString="Data Source=.;Integrated Security=True;DataBase=MyOffice" />
</connectionStrings>

C#代码
string connectionString = Configurat……