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IDependentKeyValueFactory<TKey>.TryCreateFromOriginalValues Metode

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Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.ChangeTracking
Rakitan:
Microsoft.EntityFrameworkCore.dll
Paket:
Microsoft.EntityFrameworkCore v5.0.0
Paket:
Microsoft.EntityFrameworkCore v6.0.0
Paket:
Microsoft.EntityFrameworkCore v7.0.0
Paket:
Microsoft.EntityFrameworkCore v8.0.0

Mencoba membuat instans kunci menggunakan nilai kunci asing asli dari yang diberikan IUpdateEntry.

public bool TryCreateFromOriginalValues (Microsoft.EntityFrameworkCore.Update.IUpdateEntry entry, out TKey key);
public bool TryCreateFromOriginalValues (Microsoft.EntityFrameworkCore.Update.IUpdateEntry entry, out TKey? key);
abstract member TryCreateFromOriginalValues : Microsoft.EntityFrameworkCore.Update.IUpdateEntry * 'Key -> bool
Public Function TryCreateFromOriginalValues (entry As IUpdateEntry, ByRef key As TKey) As Boolean

Parameter

entry
IUpdateEntry

Entri yang melacak instans entitas.

key
TKey

Instans kunci.

Mengembalikan

Boolean

true jika instans kunci dibuat; false Sebaliknya.

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