ConventionModelExtensions.SetChangeTrackingStrategy 方法

参考

定义

命名空间:: Microsoft.EntityFrameworkCore

程序集:: Microsoft.EntityFrameworkCore.dll

包:: Microsoft.EntityFrameworkCore v3.0.0

包:: Microsoft.EntityFrameworkCore v3.1.0

包:: Microsoft.EntityFrameworkCore v5.0.0

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

设置要用于模型中实体的默认更改跟踪策略。此策略指示上下文如何检测实体类型实例的属性更改。

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)