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

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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

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