Bagikan melalui

RelationalConnection.OpenAsync Metode

  • Referensi

Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Storage
Rakitan:
Microsoft.EntityFrameworkCore.Relational.dll
Paket:
Microsoft.EntityFrameworkCore.Relational v2.0.3
Paket:
Microsoft.EntityFrameworkCore.Relational v2.1.11
Paket:
Microsoft.EntityFrameworkCore.Relational v2.2.6
Paket:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Paket:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v8.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v1.0.6
Paket:
Microsoft.EntityFrameworkCore.Relational v1.1.6

Overload

OpenAsync(CancellationToken, Boolean)

Secara asinkron membuka koneksi ke database.
OpenAsync(CancellationToken)

Secara asinkron membuka koneksi ke database.

OpenAsync(CancellationToken, Boolean)

Secara asinkron membuka koneksi ke database.

public virtual System.Threading.Tasks.Task<bool> OpenAsync (System.Threading.CancellationToken cancellationToken, bool errorsExpected = false);
abstract member OpenAsync : System.Threading.CancellationToken * bool -> System.Threading.Tasks.Task<bool>
override this.OpenAsync : System.Threading.CancellationToken * bool -> System.Threading.Tasks.Task<bool>
Public Overridable Function OpenAsync (cancellationToken As CancellationToken, Optional errorsExpected As Boolean = false) As Task(Of Boolean)

Parameter

cancellationToken
CancellationToken

A CancellationToken untuk mengamati sambil menunggu tugas selesai.

errorsExpected
Boolean

Tunjukkan apakah kesalahan koneksi diharapkan dan harus dicatat sebagai pesan debug.

Mengembalikan

Task<Boolean>

Tugas yang mewakili operasi asinkron, dengan nilai true jika koneksi benar-benar dibuka.

Penerapan

OpenAsync(CancellationToken, Boolean)

Pengecualian

OperationCanceledException

CancellationToken Jika dibatalkan.

Berlaku untuk

OpenAsync(CancellationToken)

Secara asinkron membuka koneksi ke database.

public virtual System.Threading.Tasks.Task OpenAsync (System.Threading.CancellationToken cancellationToken = default);
abstract member OpenAsync : System.Threading.CancellationToken -> System.Threading.Tasks.Task
override this.OpenAsync : System.Threading.CancellationToken -> System.Threading.Tasks.Task
Public Overridable Function OpenAsync (Optional cancellationToken As CancellationToken = Nothing) As Task

Parameter

cancellationToken
CancellationToken

A CancellationToken untuk mengamati sambil menunggu tugas selesai.

Mengembalikan

Task

Tugas yang mewakili operasi asinkron.

Penerapan

OpenAsync(CancellationToken)

Berlaku untuk