IConventionRelationshipBuilder.IsRequired Method
Definition
Important
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Configures whether this is a required relationship (i.e. whether none the foreign key properties can
be assigned null).
public Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionRelationshipBuilder IsRequired (bool? required, bool fromDataAnnotation = false);abstract member IsRequired : Nullable<bool> * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionRelationshipBuilderPublic Function IsRequired (required As Nullable(Of Boolean), Optional fromDataAnnotation As Boolean = false) As IConventionRelationshipBuilderParameters
A value indicating whether this is a required relationship.
null to reset to default.
- fromDataAnnotation
- Boolean
Indicates whether the configuration was specified using a data annotation.
Returns
The same builder instance if the requiredness was configured,
null otherwise.
Applies to
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Entity Framework