ReferenceReferenceBuilder<TEntity,TRelatedEntity>.IsRequired Method
Definition
Important
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Configures whether this is a required relationship (i.e. whether the foreign key property(s) can
be assigned null).
public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.ReferenceReferenceBuilder<TEntity,TRelatedEntity> IsRequired (bool required = true);override this.IsRequired : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.ReferenceReferenceBuilder<'Entity, 'RelatedEntity (requires 'Entity : null and 'RelatedEntity : null)>Public Overridable Function IsRequired (Optional required As Boolean = true) As ReferenceReferenceBuilder(Of TEntity, TRelatedEntity)Parameters
- required
- Boolean
A value indicating whether this is a required relationship.
Returns
The same builder instance so that multiple configuration calls can be chained.
Applies to
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Entity Framework