EntityProjectionExpression.MakeNullable 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Query

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v7.0.0

來源:

EntityProjectionExpression.cs

使投影中的實體實例變成可為 Null。

public virtual Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression MakeNullable ();

abstract member MakeNullable : unit -> Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression
override this.MakeNullable : unit -> Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression

Public Overridable Function MakeNullable () As EntityProjectionExpression

傳回

EntityProjectionExpression

可投影可為 Null 實體的新實體投影運算式。