ConnectionStringsSection クラス
アセンブリ: System.Configuration (system.configuration.dll 内)


ConnectionStringsSection クラスを使用すると、構成ファイルの connectionStrings セクションをプログラムから変更できます。接続文字列は、ConnectionStringSettingsadd 構成要素の ConnectionStringSettingsCollection として提供されます。

ConnectionStringsSection を使用する方法の例を次に示します。
' Create a connectionn string element and add it to ' the connection strings section. Shared Sub New() ' Get the application configuration file. Dim config _ As System.Configuration.Configuration = _ ConfigurationManager.OpenExeConfiguration( _ ConfigurationUserLevel.None) ' Get the current connection strings count. Dim connStrCnt As Integer = _ ConfigurationManager.ConnectionStrings.Count ' Create the connection string name. Dim csName As String = "ConnStr" + connStrCnt.ToString() ' Create a connection string element and ' save it to the configuration file. ' Create a connection string element. Dim csSettings _ As New ConnectionStringSettings( _ csName, _ "LocalSqlServer: data source=127.0.0.1;Integrated Security=SSPI;" + _ "Initial Catalog=aspnetdb", "System.Data.SqlClient") ' Get the connection strings section. Dim csSection _ As ConnectionStringsSection = _ config.ConnectionStrings ' Add the new element. csSection.ConnectionStrings.Add(csSettings) ' Save the configuration file. config.Save(ConfigurationSaveMode.Modified) End Sub 'New
// 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); }

System.Configuration.ConfigurationElement
System.Configuration.ConfigurationSection
System.Configuration.ConnectionStringsSection


Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
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