OracleConnection.State Properti
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Mendapatkan status koneksi saat ini.
public:
property System::Data::ConnectionState State { System::Data::ConnectionState get(); };
public:
virtual property System::Data::ConnectionState State { System::Data::ConnectionState get(); };
[System.ComponentModel.Browsable(false)]
public System.Data.ConnectionState State { get; }
[System.ComponentModel.Browsable(false)]
public override System.Data.ConnectionState State { get; }
[<System.ComponentModel.Browsable(false)>]
member this.State : System.Data.ConnectionState
Public ReadOnly Property State As ConnectionState
Public Overrides ReadOnly Property State As ConnectionState
Nilai Properti
Kombinasi bitwise dari ConnectionState nilai. Default adalah Closed
.
Penerapan
- Atribut
Contoh
Contoh berikut membuat instans kelas turunan, OracleConnection, mengatur ConnectionString, dan menampilkan State.
public void createOracleConnection()
{
using (OracleConnection connection = new OracleConnection())
{
connection.ConnectionString = "Data Source=Oracle8i;Integrated Security=yes";
connection.Open();
Console.WriteLine("Connection State: " + connection.State);
}
}
Public Sub createOracleConnection()
Using connection As New OracleConnection()
connection.ConnectionString = _
"Data Source=Oracle8i;Integrated Security=yes"
connection.Open()
Console.WriteLine("Connection State: " & connection.State)
End Using
End Sub
Keterangan
Perubahan status yang diizinkan adalah:
Dari
Closed
keOpen
, menggunakanOpen
metode OracleConnection objek .Dari
Open
keClosed
, menggunakan Close metode OracleConnection objek .