語言

IConventionPropertyBuilder.CanSetKeyValueComparer 方法

定義

命名空間:
Microsoft.EntityFrameworkCore.Metadata.Builders
組件:
Microsoft.EntityFrameworkCore.dll
套件:
Microsoft.EntityFrameworkCore v3.0.0
套件:
Microsoft.EntityFrameworkCore v3.1.0
套件:
Microsoft.EntityFrameworkCore v5.0.0
套件:
Microsoft.EntityFrameworkCore v6.0.0

警告

Use CanSetValueComparer. Only a single value comparer is allowed for a given property.

回傳一個值，表示是否能從目前設定來源設定給定 ValueComparer 的屬性。

public bool CanSetKeyValueComparer(Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer comparer, bool fromDataAnnotation = false);
[System.Obsolete("Use CanSetValueComparer. Only a single value comparer is allowed for a given property.")]
public bool CanSetKeyValueComparer(Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer comparer, bool fromDataAnnotation = false);
[System.Obsolete("Use CanSetValueComparer. Only a single value comparer is allowed for a given property.")]
public bool CanSetKeyValueComparer(Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? comparer, bool fromDataAnnotation = false);
abstract member CanSetKeyValueComparer : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * bool -> bool
[<System.Obsolete("Use CanSetValueComparer. Only a single value comparer is allowed for a given property.")>]
abstract member CanSetKeyValueComparer : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * bool -> bool
Public Function CanSetKeyValueComparer (comparer As ValueComparer, Optional fromDataAnnotation As Boolean = false) As Boolean

參數

comparer
ValueComparer

比較器，或 null 移除任何先前設定的比較器。

fromDataAnnotation
Boolean

表示配置是否以資料註解方式指定。

傳回

Boolean

true 如果給定 ValueComparer 的條件可以為此性質配置。

屬性
ObsoleteAttribute

適用於