Condividi tramite


ConnectionStringSettingsCollection.RemoveAt(Int32) Metodo

Definizione

Rimuove l'oggetto ConnectionStringSettings in corrispondenza dell'indice specificato dell'insieme.

public:
 void RemoveAt(int index);
public void RemoveAt (int index);
member this.RemoveAt : int -> unit
Public Sub RemoveAt (index As Integer)

Parametri

index
Int32

Indice di un oggetto ConnectionStringSettings nell'insieme.

Esempio

Nell'esempio seguente viene illustrato come rimuovere l'oggetto ConnectionStringSettings in corrispondenza dell'indice specificato nell'insieme.

static void RemoveConnectionStrings3()
{

    try
    {
        System.Configuration.Configuration config =
         ConfigurationManager.OpenExeConfiguration(
         ConfigurationUserLevel.None);

        // Clear the connection strings collection.
        ConnectionStringsSection csSection =
            config.ConnectionStrings;
        ConnectionStringSettingsCollection csCollection =
         csSection.ConnectionStrings;

        // Remove the element.
        csCollection.RemoveAt(0);

        // Save the configuration file.
        config.Save(ConfigurationSaveMode.Modified);
        
        Console.WriteLine(
             "Connection string settings removed.");
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine(err.ToString());
    }
}
Shared Sub RemoveConnectionStrings3() 
    
    Try
        ' 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
        Dim csCollection _
        As ConnectionStringSettingsCollection = _
        csSection.ConnectionStrings
        
        ' Remove the element.
        csCollection.RemoveAt(0)
        
        ' Save the configuration file.
        config.Save(ConfigurationSaveMode.Modified)
        
        Console.WriteLine( _
        "Connection string settings removed.")

    Catch err As ConfigurationErrorsException
        Console.WriteLine(err.ToString())
    End Try

End Sub

Si applica a

Vedi anche