Bagikan melalui

MemberIdentity.IsNone Metode

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Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Metadata
Rakitan:
Microsoft.EntityFrameworkCore.dll
Paket:
Microsoft.EntityFrameworkCore v3.0.0
Paket:
Microsoft.EntityFrameworkCore v3.1.0
Paket:
Microsoft.EntityFrameworkCore v5.0.0
Paket:
Microsoft.EntityFrameworkCore v6.0.0

Perhatian

Compare Name to null

Memeriksa apakah identitas kosong, bukan mewakili anggota.

public bool IsNone ();
[System.Diagnostics.CodeAnalysis.MemberNotNullWhen(false, "Name")]
[System.Obsolete("Compare Name to null")]
public bool IsNone ();
member this.IsNone : unit -> bool
[<System.Diagnostics.CodeAnalysis.MemberNotNullWhen(false, "Name")>]
[<System.Obsolete("Compare Name to null")>]
member this.IsNone : unit -> bool
Public Function IsNone () As Boolean

Mengembalikan

Boolean

true jika identitas kosong; false Sebaliknya.

Atribut
MemberNotNullWhenAttribute ObsoleteAttribute

Berlaku untuk