ConventionPropertyExtensions.SetAfterSaveBehavior 方法

參考

定義

命名空間:: Microsoft.EntityFrameworkCore

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

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。

設定值，指出這個屬性是否可以在實體儲存至資料庫之後修改。

如果 Throw 為，則會在資料庫中存在實體之後，將新值指派給這個屬性時，擲回例外狀況。

如果 Ignore 為，則會忽略已存在於資料庫中之實體屬性值的任何修改。

public static void SetAfterSaveBehavior (this Microsoft.EntityFrameworkCore.Metadata.IConventionProperty property, Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior? afterSaveBehavior, bool fromDataAnnotation = false);

public static Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior? SetAfterSaveBehavior (this Microsoft.EntityFrameworkCore.Metadata.IConventionProperty property, Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior? afterSaveBehavior, bool fromDataAnnotation = false);

static member SetAfterSaveBehavior : Microsoft.EntityFrameworkCore.Metadata.IConventionProperty * Nullable<Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior> * bool -> unit

static member SetAfterSaveBehavior : Microsoft.EntityFrameworkCore.Metadata.IConventionProperty * Nullable<Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior> * bool -> Nullable<Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior>

<Extension()>
Public Sub SetAfterSaveBehavior (property As IConventionProperty, afterSaveBehavior As Nullable(Of PropertySaveBehavior), Optional fromDataAnnotation As Boolean = false)

<Extension()>
Public Function SetAfterSaveBehavior (property As IConventionProperty, afterSaveBehavior As Nullable(Of PropertySaveBehavior), Optional fromDataAnnotation As Boolean = false) As Nullable(Of PropertySaveBehavior)