EntityTypeBuilder<TEntity>.HasDiscriminator<TDiscriminator> Method

Reference

Definition

Namespace:: Microsoft.EntityFrameworkCore.Metadata.Builders

Assembly:: Microsoft.EntityFrameworkCore.dll

Package:: Microsoft.EntityFrameworkCore v3.0.0

Package:: Microsoft.EntityFrameworkCore v3.1.0

Package:: Microsoft.EntityFrameworkCore v5.0.0

Package:: Microsoft.EntityFrameworkCore v6.0.0

Package:: Microsoft.EntityFrameworkCore v7.0.0

Package:: Microsoft.EntityFrameworkCore v8.0.0

Important

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Configures the discriminator property used to identify the entity type in the store.

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)

Type Parameters

TDiscriminator

The type of values stored in the discriminator property.

Parameters

propertyExpression: Expression<Func<TEntity,TDiscriminator>>

A lambda expression representing the property to be used as the discriminator ( blog => blog.Discriminator).

Returns

DiscriminatorBuilder<TDiscriminator>

A builder that allows the discriminator property to be configured.

Applies to