RelationalDatabaseFacadeExtensions.OpenConnectionAsync Método

  • Referência

Definição

Namespace:
Microsoft.EntityFrameworkCore
Assembly:
Microsoft.EntityFrameworkCore.Relational.dll
Pacote:
Microsoft.EntityFrameworkCore.Relational v1.0.6
Pacote:
Microsoft.EntityFrameworkCore.Relational v1.1.6
Pacote:
Microsoft.EntityFrameworkCore.Relational v2.0.3
Pacote:
Microsoft.EntityFrameworkCore.Relational v2.1.11
Pacote:
Microsoft.EntityFrameworkCore.Relational v2.2.6
Pacote:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v8.0.0

Abre o subjacente DbConnection.

public static System.Threading.Tasks.Task OpenConnectionAsync (this Microsoft.EntityFrameworkCore.Infrastructure.DatabaseFacade databaseFacade, System.Threading.CancellationToken cancellationToken = default);
static member OpenConnectionAsync : Microsoft.EntityFrameworkCore.Infrastructure.DatabaseFacade * System.Threading.CancellationToken -> System.Threading.Tasks.Task
<Extension()>
Public Function OpenConnectionAsync (databaseFacade As DatabaseFacade, Optional cancellationToken As CancellationToken = Nothing) As Task

Parâmetros

databaseFacade
DatabaseFacade

O DatabaseFacade para o contexto.

cancellationToken
CancellationToken

Um CancellationToken a ser observado enquanto aguarda a conclusão da tarefa.

Retornos

Task

Uma tarefa que representa a operação assíncrona.

Exceções

OperationCanceledException

Se o padrão CancellationToken for cancelado.

Comentários

Consulte Conexões e cadeias de conexão para obter mais informações e exemplos.

Aplica-se a