從webcongif獲得連接數據庫的字符串

<connectionStrings>
        <add name="front-end_Web" connectionString="Server=we\Saa;DataBase=database;User ID=sa;Pwd=123" />
        <add name="back-end_Web" connectionString="Server=we\Saa;DataBase=database1;User ID=sa;Pwd=123" />
    </connectionStrings>


string conn = System.Configuration.ConfigurationManager.ConnectionStrings["front-end_Web"].ConnectionString;
    }