共用方式為

DatabaseForeignKey.OnDelete 屬性

  • 參考

定義

命名空間:
Microsoft.EntityFrameworkCore.Scaffolding.Metadata
組件:
Microsoft.EntityFrameworkCore.Relational.dll
套件:
Microsoft.EntityFrameworkCore.Relational v2.0.3
套件:
Microsoft.EntityFrameworkCore.Relational v2.1.11
套件:
Microsoft.EntityFrameworkCore.Relational v2.2.6
套件:
Microsoft.EntityFrameworkCore.Relational v3.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v3.1.0
套件:
Microsoft.EntityFrameworkCore.Relational v5.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v6.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v7.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v8.0.0

刪除此外鍵所限制的資料列時，或 null 未定義任何動作時，資料庫所執行的動作。

public virtual Microsoft.EntityFrameworkCore.Migrations.ReferentialAction? OnDelete { get; set; }
member this.OnDelete : Nullable<Microsoft.EntityFrameworkCore.Migrations.ReferentialAction> with get, set
Public Overridable Property OnDelete As Nullable(Of ReferentialAction)

屬性值

Nullable<ReferentialAction>

適用於