EntityTypeBuilder<TEntity>.HasDiscriminator<TDiscriminator> Metode

Definisi

Ruang nama:

Microsoft.EntityFrameworkCore.Metadata.Builders

Rakitan:

Microsoft.EntityFrameworkCore.dll

Paket:

Microsoft.EntityFrameworkCore v8.0.0

Mengonfigurasi properti diskriminator yang digunakan untuk mengidentifikasi jenis entitas di penyimpanan.

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder<TDiscriminator> HasDiscriminator<TDiscriminator> (System.Linq.Expressions.Expression<Func<TEntity,TDiscriminator>> propertyExpression);

override this.HasDiscriminator : System.Linq.Expressions.Expression<Func<'Entity, 'Discriminator>> -> Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder<'Discriminator>

Public Overridable Function HasDiscriminator(Of TDiscriminator) (propertyExpression As Expression(Of Func(Of TEntity, TDiscriminator))) As DiscriminatorBuilder(Of TDiscriminator)

Jenis parameter

TDiscriminator

Jenis nilai yang disimpan dalam properti diskriminator.

Parameter

propertyExpression

Expression<Func<TEntity,TDiscriminator>>

Ekspresi lambda yang mewakili properti yang akan digunakan sebagai diskriminator ( blog => blog.Discriminator).

Mengembalikan

DiscriminatorBuilder<TDiscriminator>

Penyusun yang memungkinkan properti diskriminator dikonfigurasi.