1.ConfigurationManager供给对客户端应用措施配置文件的访谒。
其有两个属性1.ConnectionStrings 获取当前应用措施默认配置的 ConnectionStringsSection 数据。
要领一：
string myConn =System.Configuration.ConfigurationManager.ConnectionStrings["sqlConnectionString"].ConnectionString;
要领二：
string connString =System.Web.Configuration.WebConfigurationManager.ConnectionStrings["sqlConnectionString"].ToString();
web.config中的配置为：
<configuration>
<connectionStrings>
<add connectionString="LocalSqlServer: data source=127.0.0.1;Integrated Security=SSPI;Initial Catalog=aspnetdb"
providerName="System.Data.SqlClient" />
</connectionStrings>
</configuration>
2.AppSettings 获取当前应用措施默认配置的 AppSettingsSection 数据。
string myConn = ConfigurationManager.AppSettings["sqlConnectionString"].ToString();
web.config中的配置为：
<configuration>
<appSettings>
<add key="sqlConnectionString" value="Monday, January 23, 2006 2:56:14 PM" />
</appSettings>
</configuration>