CascadeDeleteConvention Class

Reference

Definition

Namespace:: Microsoft.EntityFrameworkCore.Metadata.Conventions

Assembly:: Microsoft.EntityFrameworkCore.dll

Package:: Microsoft.EntityFrameworkCore v3.0.0

Package:: Microsoft.EntityFrameworkCore v3.1.0

Package:: Microsoft.EntityFrameworkCore v5.0.0

Package:: Microsoft.EntityFrameworkCore v6.0.0

Package:: Microsoft.EntityFrameworkCore v7.0.0

Package:: Microsoft.EntityFrameworkCore v8.0.0

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

A convention that sets the delete behavior to Cascade for required foreign keys and ClientSetNull for optional ones.

public class CascadeDeleteConvention : Microsoft.EntityFrameworkCore.Metadata.Conventions.IForeignKeyAddedConvention, Microsoft.EntityFrameworkCore.Metadata.Conventions.IForeignKeyRequirednessChangedConvention

type CascadeDeleteConvention = class
    interface IForeignKeyAddedConvention
    interface IConvention
    interface IForeignKeyRequirednessChangedConvention

Public Class CascadeDeleteConvention
Implements IForeignKeyAddedConvention, IForeignKeyRequirednessChangedConvention

Inheritance: Object
CascadeDeleteConvention

Derived: Microsoft.EntityFrameworkCore.Metadata.Conventions.SqlServerOnDeleteConvention

Implements: IConvention IForeignKeyAddedConvention IForeignKeyRequirednessChangedConvention

Remarks

See Model building conventions for more information and examples.

Constructors

CascadeDeleteConvention(ProviderConventionSetBuilderDependencies)

Creates a new instance of CascadeDeleteConvention.

Properties

Dependencies

Dependencies for this service.

Methods

GetTargetDeleteBehavior(IConventionForeignKey)	Returns the delete behavior to set for the given foreign key.
ProcessForeignKeyAdded(IConventionForeignKeyBuilder, IConventionContext<IConventionForeignKeyBuilder>)	Called after a foreign key is added to the entity type.
ProcessForeignKeyAdded(IConventionRelationshipBuilder, IConventionContext<IConventionRelationshipBuilder>)	Called after a foreign key is added to the entity type.
ProcessForeignKeyRequirednessChanged(IConventionForeignKeyBuilder, IConventionContext<Nullable<Boolean>>)	Called after the requiredness for a foreign key is changed.
ProcessForeignKeyRequirednessChanged(IConventionRelationshipBuilder, IConventionContext<IConventionRelationshipBuilder>)	Called after the requiredness for a foreign key is changed.

Applies to