以下是ASP.NET应用程序Web.config文件中的部分代码,为了获得配置节DSN的值,下列方法正确的是(
)。 <appSettings><add key=“DSN” value=“data source=YONGPING; Integrated” Security=SSPI; Initial Catalog=northwnd/></appSettings>
A.string strDSN=System.Configuration.ConfigurationSettings.AppSettings[“DNS”]
B.string strDSN=System.Configuration.ConfigurationSettings.AppSettings(“DNS”)
C.string strDSN=System.Configuration.ConfigurationSettings.GetSettings(“DNS”)
D.string strDSN=System.Configuration.ConfigurationSettings.GetSettings[“DNS”]