IDbConnection.State IDbConnection.State IDbConnection.State IDbConnection.State Property

Definition

Ruft den aktuellen Zustand der Verbindung ab.Gets the current state of the connection.

public:
 property System::Data::ConnectionState State { System::Data::ConnectionState get(); };
public System.Data.ConnectionState State { get; }
member this.State : System.Data.ConnectionState
Public ReadOnly Property State As ConnectionState

Eigenschaftswert

Beispiele

Das folgende Beispiel erstellt eine Instanz einer abgeleiteten Klasse, OleDbConnection, legt die ConnectionString, und zeigt die State.The following example creates an instance of a derived class, OleDbConnection, sets its ConnectionString, and displays its State.

public void CreateOleDbConnection(){
   OleDbConnection connection = new OleDbConnection();
   connection.ConnectionString = 
       "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Northwind.mdb";
   Console.WriteLine("Connection State: " + connection.State.ToString());
}
Public Sub CreateOleDbConnection()
    Dim connection As New OleDbConnection()
    connection.ConnectionString = _
       "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Northwind.mdb"
    Console.WriteLine("Connection State: " & connection.State.ToString())
End Sub

Hinweise

Die zulässigen statusänderungen sind:The allowed state changes are:

  • Von Closed zu Openunter Verwendung der Open Methode des Verbindungsobjekts.From Closed to Open, using the Open method of the Connection object.

  • Von Open zu Closed, entweder die Close Methode oder der Dispose Methode des Verbindungsobjekts.From Open to Closed, using either the Close method or the Dispose method of the Connection object.

Gilt für: