次の方法で共有

IDependentKeyValueFactory<TKey>.TryCreateFromBuffer Method

  • Reference

Definition

Namespace:
Microsoft.EntityFrameworkCore.ChangeTracking
Assembly:
Microsoft.EntityFrameworkCore.dll
Package:
Microsoft.EntityFrameworkCore v5.0.0
Package:
Microsoft.EntityFrameworkCore v6.0.0
Package:
Microsoft.EntityFrameworkCore v7.0.0
Package:
Microsoft.EntityFrameworkCore v8.0.0
Package:
Microsoft.EntityFrameworkCore v9.0.0
Source:
IDependentKeyValueFactory%60.cs
Source:
IDependentKeyValueFactory%60.cs
Source:
IDependentKeyValueFactory%60.cs

Caution

This API is now deprecated.

Attempts to create a key instance using foreign key values from the given ValueBuffer.

public bool TryCreateFromBuffer (in Microsoft.EntityFrameworkCore.Storage.ValueBuffer valueBuffer, out TKey key);
public bool TryCreateFromBuffer (in Microsoft.EntityFrameworkCore.Storage.ValueBuffer? valueBuffer, out TKey? key);
[System.Obsolete]
public bool TryCreateFromBuffer (in Microsoft.EntityFrameworkCore.Storage.ValueBuffer? valueBuffer, out TKey? key);
abstract member TryCreateFromBuffer : ValueBuffer * 'Key -> bool
[<System.Obsolete>]
abstract member TryCreateFromBuffer : ValueBuffer * 'Key -> bool
Public Function TryCreateFromBuffer (valueBuffer As ValueBuffer, ByRef key As TKey) As Boolean

Parameters

valueBuffer
ValueBuffer

The value buffer representing the entity instance.

key
TKey

The key instance.

Returns

Boolean

true if the key instance was created; false otherwise.

Attributes
ObsoleteAttribute

Applies to