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WebConfigurationManager.ConnectionStrings Proprietà

  • Riferimento

Definizione

Spazio dei nomi:
System.Web.Configuration
Assembly:
System.Web.dll

Ottiene le stringhe di connessione del sito Web.

public:
 static property System::Configuration::ConnectionStringSettingsCollection ^ ConnectionStrings { System::Configuration::ConnectionStringSettingsCollection ^ get(); };
public static System.Configuration.ConnectionStringSettingsCollection ConnectionStrings { get; }
member this.ConnectionStrings : System.Configuration.ConnectionStringSettingsCollection
Public Shared ReadOnly Property ConnectionStrings As ConnectionStringSettingsCollection

Valore della proprietà

ConnectionStringSettingsCollection

Oggetto ConnectionStringSettingsCollection che contiene l'oggetto ConnectionStringsSection per la configurazione predefinita dell'applicazione Web corrente.

Eccezioni

ConfigurationErrorsException

Impossibile recuperare un oggetto ConnectionStringSettingsCollection valido.

Esempio

Nell'esempio seguente viene illustrato come usare la ConnectionStrings proprietà per accedere alle informazioni di configurazione ed enumerare i risultati. Per accedere a una stringa di connessione specifica, usare il valore restituito con il nome della stringa di connessione desiderata come indicizzatore ConnectionStringSettingsCollection .


// Show the use of the ConnectionString property
// to get the connection strings.
static void GetConnectionStrings()
{

    // Get the connectionStrings key,value pairs collection.
    ConnectionStringSettingsCollection connectionStrings =
        WebConfigurationManager.ConnectionStrings
        as ConnectionStringSettingsCollection;

    // Get the collection enumerator.
    IEnumerator connectionStringsEnum =
        connectionStrings.GetEnumerator();

    // Loop through the collection and 
    // display the connectionStrings key, value pairs.
    int i = 0;
    Console.WriteLine("[Display connectionStrings]");
    while (connectionStringsEnum.MoveNext())
    {
        string name = connectionStrings[i].Name;
        Console.WriteLine("Name: {0} Value: {1}",
        name, connectionStrings[name]);
        i += 1;
    }

    Console.WriteLine();
}

' Show the use of ConnectionStrings property
' to get the connection strings. 
Shared Sub GetConnectionStrings()
   
   ' Get the connectionStrings key,value pairs collection.
     Dim connectionStrings As ConnectionStringSettingsCollection = _
     WebConfigurationManager.ConnectionStrings
   
   ' Get the collection enumerator.
     Dim connectionStringsEnum As IEnumerator = _
     connectionStrings.GetEnumerator()
   
   ' Loop through the collection and 
   ' display the connectionStrings key, value pairs.
   Dim i As Integer = 0
   Console.WriteLine("[Display connectionStrings]")
   While connectionStringsEnum.MoveNext()
      Dim name As String = connectionStrings(i).Name
         Console.WriteLine("Name: {0} Value: {1}", _
         name, connectionStrings(name))
      i += 1
   End While
   
   Console.WriteLine()
End Sub

Si applica a

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