IConventionForeignKeyBuilder.OnDelete Method
Definition
Important
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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.IConventionForeignKeyBuilder OnDelete (Microsoft.EntityFrameworkCore.DeleteBehavior? deleteBehavior, bool fromDataAnnotation = false);
public Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionForeignKeyBuilder? OnDelete (Microsoft.EntityFrameworkCore.DeleteBehavior? deleteBehavior, bool fromDataAnnotation = false);
abstract member OnDelete : Nullable<Microsoft.EntityFrameworkCore.DeleteBehavior> * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionForeignKeyBuilder
Public Function OnDelete (deleteBehavior As Nullable(Of DeleteBehavior), Optional fromDataAnnotation As Boolean = false) As IConventionForeignKeyBuilder
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
The same builder instance if the delete operation was configured,
null
otherwise.
Applies to
Entity Framework
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