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

Définition

Obtient l’état actuel de la connexion.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

Valeur de propriété

Exemples

L’exemple suivant crée une instance d’une classe dérivée, OleDbConnection, définit son ConnectionStringet affiche ses 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

Remarques

Les modifications d’état autorisées sont :The allowed state changes are:

  • À partir de Closed à Open, en utilisant le Open méthode de l’objet de connexion.From Closed to Open, using the Open method of the Connection object.

  • À partir de Open à Closed, à l’aide la Close méthode ou le Dispose méthode de l’objet de connexion.From Open to Closed, using either the Close method or the Dispose method of the Connection object.

S’applique à