ConnectionStringsSection 类
对连接字符串配置文件节进行编程访问。
ConnectionStringSettings 类
表示连接字符串配置文件节中的单个命名连接字符串。
ConnectionStringSettingsCollection 类
包含 ConnectionStringSettings 对象的集合。
ConfigurationManager.ConnectionStrings 类型为 ConnectionStringSettingsCollection。
应用示例(来自 MSDN)
// Create a connectionn string element and add it to // the connection strings section. static ConnectionStrings() { // Get the application configuration file. System.Configuration.Configuration config = ConfigurationManager.OpenExeConfiguration( ConfigurationUserLevel.None); // Get the current connection strings count. int connStrCnt = ConfigurationManager.ConnectionStrings.Count; // Create the connection string name. string csName = "ConnStr" + connStrCnt.ToString(); // Create a connection string element and // save it to the configuration file. // Create a connection string element. ConnectionStringSettings csSettings = new ConnectionStringSettings(csName, "LocalSqlServer: data source=127.0.0.1;Integrated Security=SSPI;" + "Initial Catalog=aspnetdb", "System.Data.SqlClient"); // Get the connection strings section. ConnectionStringsSection csSection = config.ConnectionStrings; // Add the new element. csSection.ConnectionStrings.Add(csSettings); // Save the configuration file. config.Save(ConfigurationSaveMode.Modified); }