ReferenceReferenceBuilder.IsRequired(Boolean) 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Metadata.Builders

組件:

Microsoft.EntityFrameworkCore.dll

套件:

Microsoft.EntityFrameworkCore v9.0.0

來源:

ReferenceReferenceBuilder.cs

設定這是否為必要關聯性 (，亦即是否可以) 指派 null 外鍵屬性 () 。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.ReferenceReferenceBuilder IsRequired (bool required = true);

abstract member IsRequired : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.ReferenceReferenceBuilder
override this.IsRequired : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.ReferenceReferenceBuilder

Public Overridable Function IsRequired (Optional required As Boolean = true) As ReferenceReferenceBuilder

參數

required

Boolean

值，指出這是否為必要關聯性。

傳回

ReferenceReferenceBuilder

相同的產生器實例，以便鏈結多個組態呼叫。