IConventionRelationshipBuilder.OnDelete Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.Metadata.Builders

Assembly:

Microsoft.EntityFrameworkCore.dll

Package:

Microsoft.EntityFrameworkCore v3.1.0

Configures the operation applied to dependent entities in the relationship when the principal is deleted or the relationship is severed.

public Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionRelationshipBuilder OnDelete (Microsoft.EntityFrameworkCore.DeleteBehavior? deleteBehavior, bool fromDataAnnotation = false);

abstract member OnDelete : Nullable<Microsoft.EntityFrameworkCore.DeleteBehavior> * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionRelationshipBuilder

Public Function OnDelete (deleteBehavior As Nullable(Of DeleteBehavior), Optional fromDataAnnotation As Boolean = false) As IConventionRelationshipBuilder

Parameters

deleteBehavior

Nullable<DeleteBehavior>

The action to perform. null to reset to default.

fromDataAnnotation

Boolean

Indicates whether the configuration was specified using a data annotation.

Returns

IConventionRelationshipBuilder

The same builder instance if the delete operation was configured, null otherwise.