SqlServerOnDeleteConvention 类

定义

命名空间:

Microsoft.EntityFrameworkCore.Metadata.Conventions

程序集:

Microsoft.EntityFrameworkCore.SqlServer.dll

包:

Microsoft.EntityFrameworkCore.SqlServer v8.0.0

为联接实体类型上的外键配置 OnDelete 行为的约定，用于自引用跳过导航

public class SqlServerOnDeleteConvention : Microsoft.EntityFrameworkCore.Metadata.Conventions.CascadeDeleteConvention, Microsoft.EntityFrameworkCore.Metadata.Conventions.IEntityTypeAnnotationChangedConvention, Microsoft.EntityFrameworkCore.Metadata.Conventions.ISkipNavigationForeignKeyChangedConvention

type SqlServerOnDeleteConvention = class
    inherit CascadeDeleteConvention
    interface ISkipNavigationForeignKeyChangedConvention
    interface IConvention
    interface IEntityTypeAnnotationChangedConvention

Public Class SqlServerOnDeleteConvention
Inherits CascadeDeleteConvention
Implements IEntityTypeAnnotationChangedConvention, ISkipNavigationForeignKeyChangedConvention

继承

Object

CascadeDeleteConvention

SqlServerOnDeleteConvention

实现

IConvention ISkipNavigationForeignKeyChangedConvention IEntityTypeAnnotationChangedConvention

注解

有关详细信息和示例，请参阅模型构建约定和使用 EF Core 访问SQL Server和Azure SQL数据库。

构造函数

SqlServerOnDeleteConvention(ProviderConventionSetBuilderDependencies, RelationalConventionSetBuilderDependencies)

创建 SqlServerOnDeleteConvention 的新实例。

属性

Dependencies	此服务的依赖项。 (继承自 CascadeDeleteConvention)
RelationalDependencies	此服务的关系提供程序特定的依赖项。

方法

GetTargetDeleteBehavior(IConventionForeignKey)	返回要为给定外键设置的删除行为。
ProcessEntityTypeAnnotationChanged(IConventionEntityTypeBuilder, String, IConventionAnnotation, IConventionAnnotation, IConventionContext<IConventionAnnotation>)	在实体类型上更改批注后调用。
ProcessForeignKeyAdded(IConventionForeignKeyBuilder, IConventionContext<IConventionForeignKeyBuilder>)	在将外键添加到实体类型后调用。 (继承自 CascadeDeleteConvention)
ProcessForeignKeyAdded(IConventionRelationshipBuilder, IConventionContext<IConventionRelationshipBuilder>)	在将外键添加到实体类型后调用。 (继承自 CascadeDeleteConvention)
ProcessForeignKeyRequirednessChanged(IConventionForeignKeyBuilder, IConventionContext<Nullable<Boolean>>)	更改外键的必需项后调用。 (继承自 CascadeDeleteConvention)
ProcessForeignKeyRequirednessChanged(IConventionRelationshipBuilder, IConventionContext<IConventionRelationshipBuilder>)	更改外键的必需项后调用。 (继承自 CascadeDeleteConvention)
ProcessSkipNavigationForeignKeyChanged(IConventionSkipNavigationBuilder, IConventionForeignKey, IConventionForeignKey, IConventionContext<IConventionForeignKey>)	在跳过导航逆向更改后调用。