ConnectionStringSettingsCollection.Clear ConnectionStringSettingsCollection.Clear ConnectionStringSettingsCollection.Clear ConnectionStringSettingsCollection.Clear Method

Definition

Entfernt alle ConnectionStringSettings-Objekte aus der Auflistung.Removes all the ConnectionStringSettings objects from the collection.

public:
 void Clear();
public void Clear ();
member this.Clear : unit -> unit
Public Sub Clear ()

Beispiele

Im folgenden Beispiel wird gezeigt, wie alle ConnectionStringSettings -Objekte aus der ConnectionStringSettingsCollection -Auflistung entfernt werden.The following example shows how to remove all the ConnectionStringSettings objects from the ConnectionStringSettingsCollection collection.

// Clear connection strings collection.
static void ClearConnectionStrings()
{

    // Get the configuration file.
    System.Configuration.Configuration config =
        ConfigurationManager.OpenExeConfiguration(
        ConfigurationUserLevel.None);

    // Clear the connection strings collection.
    ConnectionStringsSection csSection =
        config.ConnectionStrings;
    csSection.ConnectionStrings.Clear();
   
    // Save the configuration file.
    config.Save(ConfigurationSaveMode.Modified);

    Console.WriteLine("Connection strings cleared.");


}
' Clear connection strings collection.
Shared Sub ClearConnectionStrings() 
    
    ' Get the application configuration file.
    Dim config _
    As System.Configuration.Configuration = _
    ConfigurationManager.OpenExeConfiguration( _
    ConfigurationUserLevel.None)

    ' Clear the connection strings collection.
    Dim csSection _
    As ConnectionStringsSection = _
    config.ConnectionStrings
    csSection.ConnectionStrings.Clear()
    
    ' Save the configuration file.
    config.Save(ConfigurationSaveMode.Modified)
    
    Console.WriteLine("Connection strings cleared.")

End Sub 'ClearConnectionStrings
 

Hinweise

Die Clear -Methode entfernt alle Verbindungs Zeichenfolgen aus der Konfigurationsdatei auf der aktuellen Konfigurations Hierarchie Ebene <clear> und schreibt ein-Tag in die Datei.The Clear method removes all the connection strings from the configuration file at the current configuration hierarchy level and writes a <clear> tag in the file. Das <clear> -Tag gibt an, dass alle in den übergeordneten Konfigurationsdateien definierten Verbindungs Zeichenfolgen vom System ignoriert werden.The <clear> tag signifies that all the connection strings defined in the parent configuration files are disregarded by the system.

Gilt für:

Siehe auch