ConnectionStringSettingsCollection.IndexOf(ConnectionStringSettings) Metodo

Definizione

Spazio dei nomi:

System.Configuration

Assembly:

System.Configuration.ConfigurationManager.dll

Pacchetto:

System.Configuration.ConfigurationManager v8.0.0

Source:

ConnectionStringSettingsCollection.cs

Restituisce l'indice dell'insieme dell'oggetto ConnectionStringSettings passato.

public:
 int IndexOf(System::Configuration::ConnectionStringSettings ^ settings);

public int IndexOf (System.Configuration.ConnectionStringSettings settings);

member this.IndexOf : System.Configuration.ConnectionStringSettings -> int

Public Function IndexOf (settings As ConnectionStringSettings) As Integer

Parametri

settings

ConnectionStringSettings

Oggetto ConnectionStringSettings nell'insieme.

Restituisce

Int32

Indice dell'insieme dell'oggetto ConnectionStringSettingsCollection specificato.

Esempio

Nell'esempio seguente viene illustrato come ottenere l'indice dell'oggetto specificato ConnectionStringSettings .

static void GetIndex()
{

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

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

        // Get the connection string setting element
        // with the specified name.
        ConnectionStringSettings cs =
            csCollection["ConnStr0"];

        // Get its index;
        int index = csCollection.IndexOf(cs);

        Console.WriteLine(
             "Connection string settings index: {0}", 
             index.ToString());
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine(err.ToString());
    }
}

Shared Sub GetIndex() 
    
    Try
        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
        
        ' Get the connection string setting element
        ' with the specified name.
        Dim cs _
        As ConnectionStringSettings = _
        csCollection("ConnStr0")
        
        ' Get its index;
        Dim index As Integer = _
        csCollection.IndexOf(cs)
        
        Console.WriteLine( _
        "Connection string settings index: {0}", _
        index.ToString())
    
    Catch err As ConfigurationErrorsException
        Console.WriteLine(err.ToString())
    End Try

End Sub

Vedi anche

• ConnectionStringsSection