ReferenceCollectionBuilder.IsRequired(Boolean) 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.ReferenceCollectionBuilder IsRequired (bool required = true);abstract member IsRequired : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.ReferenceCollectionBuilder
override this.IsRequired : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.ReferenceCollectionBuilderPublic Overridable Function IsRequired (Optional required As Boolean = true) As ReferenceCollectionBuilderParameters
- 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