ConventionModelExtensions.SetChangeTrackingStrategy 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
設定要用於模型中實體的預設變更追蹤策略。 此策略指出內容如何偵測實體類型實例的屬性變更。
public static void SetChangeTrackingStrategy (this Microsoft.EntityFrameworkCore.Metadata.IConventionModel model, Microsoft.EntityFrameworkCore.ChangeTrackingStrategy? changeTrackingStrategy, bool fromDataAnnotation = false);
public static Microsoft.EntityFrameworkCore.ChangeTrackingStrategy? SetChangeTrackingStrategy (this Microsoft.EntityFrameworkCore.Metadata.IConventionModel model, Microsoft.EntityFrameworkCore.ChangeTrackingStrategy? changeTrackingStrategy, bool fromDataAnnotation = false);
static member SetChangeTrackingStrategy : Microsoft.EntityFrameworkCore.Metadata.IConventionModel * Nullable<Microsoft.EntityFrameworkCore.ChangeTrackingStrategy> * bool -> unit
static member SetChangeTrackingStrategy : Microsoft.EntityFrameworkCore.Metadata.IConventionModel * Nullable<Microsoft.EntityFrameworkCore.ChangeTrackingStrategy> * bool -> Nullable<Microsoft.EntityFrameworkCore.ChangeTrackingStrategy>
<Extension()>
Public Sub SetChangeTrackingStrategy (model As IConventionModel, changeTrackingStrategy As Nullable(Of ChangeTrackingStrategy), Optional fromDataAnnotation As Boolean = false)
<Extension()>
Public Function SetChangeTrackingStrategy (model As IConventionModel, changeTrackingStrategy As Nullable(Of ChangeTrackingStrategy), Optional fromDataAnnotation As Boolean = false) As Nullable(Of ChangeTrackingStrategy)
參數
- model
- IConventionModel
要設定預設變更追蹤策略的模型。
- changeTrackingStrategy
- Nullable<ChangeTrackingStrategy>
要使用的策略。
- fromDataAnnotation
- Boolean
指出是否已使用資料批註指定組態。
傳回
已設定的值。