.net 3.5:从app.config读取连接字符串?

Mad*_*hik 10 .net connection app-config

如何使用.net api从app.config文件中读取连接字符串信息?

平台是.net 3.5

     <?xml version="1.0" encoding="utf-8" ?>
        <configuration>
            <connectionStrings>
                 <add connectionString="" providerName="" name=""/>
            </connectionStrings>
        </configuration> 
Run Code Online (Sandbox Code Playgroud)

Jus*_*tin 13

请参阅Web.Config和App.Config以及企业库DAAB设置中的阅读连接字符串(在Wayback Machine上,原始内容已被删除)

ConnectionStringSettings connection = ConfigurationManager.ConnectionStrings["MyConnectionString"]
string connectionString = connection.ConnectionString
Run Code Online (Sandbox Code Playgroud)

您可能需要添加程序集引用 System.Configuration