共用方式為

AlterDatabaseOperation.OldDatabase 屬性

  • 參考

定義

命名空間:
Microsoft.EntityFrameworkCore.Migrations.Operations
組件:
Microsoft.EntityFrameworkCore.Relational.dll
套件:
Microsoft.EntityFrameworkCore.Relational v1.1.6
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

作業，表示資料庫在改變之前所呈現的作業。

public virtual Microsoft.EntityFrameworkCore.Infrastructure.Annotatable OldDatabase { get; }
public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.DatabaseOperation OldDatabase { get; }
member this.OldDatabase : Microsoft.EntityFrameworkCore.Infrastructure.Annotatable
member this.OldDatabase : Microsoft.EntityFrameworkCore.Migrations.Operations.DatabaseOperation
Public Overridable ReadOnly Property OldDatabase As Annotatable
Public Overridable ReadOnly Property OldDatabase As DatabaseOperation

屬性值

Annotatable
DatabaseOperation

適用於