通过

IMutableEntityType.FindPrimaryKey 方法

  • 参考

定义

命名空间:
Microsoft.EntityFrameworkCore.Metadata
程序集:
Microsoft.EntityFrameworkCore.dll
包:
Microsoft.EntityFrameworkCore v1.0.6
包:
Microsoft.EntityFrameworkCore v1.1.6
包:
Microsoft.EntityFrameworkCore v2.0.3
包:
Microsoft.EntityFrameworkCore v2.1.11
包:
Microsoft.EntityFrameworkCore v2.2.6
包:
Microsoft.EntityFrameworkCore v3.0.0
包:
Microsoft.EntityFrameworkCore v3.1.0
包:
Microsoft.EntityFrameworkCore v5.0.0
包:
Microsoft.EntityFrameworkCore v6.0.0
包:
Microsoft.EntityFrameworkCore v7.0.0
包:
Microsoft.EntityFrameworkCore v8.0.0

获取此实体类型的主键。 null如果未定义主键，则返回 。

public Microsoft.EntityFrameworkCore.Metadata.IMutableKey FindPrimaryKey ();
public Microsoft.EntityFrameworkCore.Metadata.IMutableKey? FindPrimaryKey ();
abstract member FindPrimaryKey : unit -> Microsoft.EntityFrameworkCore.Metadata.IMutableKey
Public Function FindPrimaryKey () As IMutableKey

返回

IMutableKey

主键，如果未定义，则为 。null

适用于