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ValueGenerator.NextAsync(EntityEntry, CancellationToken) Metodo

  • Riferimento

Definizione

Spazio dei nomi:
Microsoft.EntityFrameworkCore.ValueGeneration
Assembly:
Microsoft.EntityFrameworkCore.dll
Pacchetto:
Microsoft.EntityFrameworkCore v1.1.6
Pacchetto:
Microsoft.EntityFrameworkCore v2.0.3
Pacchetto:
Microsoft.EntityFrameworkCore v2.1.11
Pacchetto:
Microsoft.EntityFrameworkCore v2.2.6
Pacchetto:
Microsoft.EntityFrameworkCore v3.0.0
Pacchetto:
Microsoft.EntityFrameworkCore v3.1.0
Pacchetto:
Microsoft.EntityFrameworkCore v5.0.0
Pacchetto:
Microsoft.EntityFrameworkCore v6.0.0
Pacchetto:
Microsoft.EntityFrameworkCore v7.0.0
Pacchetto:
Microsoft.EntityFrameworkCore v8.0.0

Ottiene un valore da assegnare a una proprietà.

public virtual System.Threading.Tasks.Task<object> NextAsync (Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry entry, System.Threading.CancellationToken cancellationToken = default);
public virtual System.Threading.Tasks.ValueTask<object> NextAsync (Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry entry, System.Threading.CancellationToken cancellationToken = default);
public virtual System.Threading.Tasks.ValueTask<object?> NextAsync (Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry entry, System.Threading.CancellationToken cancellationToken = default);
abstract member NextAsync : Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry * System.Threading.CancellationToken -> System.Threading.Tasks.Task<obj>
override this.NextAsync : Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry * System.Threading.CancellationToken -> System.Threading.Tasks.Task<obj>
abstract member NextAsync : Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<obj>
override this.NextAsync : Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<obj>
Public Overridable Function NextAsync (entry As EntityEntry, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Object)
Public Overridable Function NextAsync (entry As EntityEntry, Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of Object)

Parametri

entry
EntityEntry

Voce di rilevamento delle modifiche dell'entità per cui viene generato il valore.

cancellationToken
CancellationToken

Oggetto CancellationToken da osservare durante l'attesa del completamento dell'attività.

Restituisce

Task<Object>
ValueTask<Object>

Valore da assegnare a una proprietà.

Eccezioni

OperationCanceledException

Se CancellationToken viene annullato.

Commenti

Per altre informazioni ed esempi, vedere Generazione di valori di EF Core .

Si applica a