通过

IMutableEntityType.RemoveKey 方法

  • 参考

定义

命名空间:
Microsoft.EntityFrameworkCore.Metadata
程序集:
Microsoft.EntityFrameworkCore.dll
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
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

重载

RemoveKey(IMutableKey)

从此实体类型中删除主键或备用键。
RemoveKey(IReadOnlyKey)

从此实体类型中删除主键或备用键。
RemoveKey(IReadOnlyList<IProperty>)

从此实体中删除主键或备用键。
RemoveKey(IReadOnlyList<IReadOnlyProperty>)

从此实体类型中删除主键或备用键。

RemoveKey(IMutableKey)

从此实体类型中删除主键或备用键。

public void RemoveKey (Microsoft.EntityFrameworkCore.Metadata.IMutableKey key);
public Microsoft.EntityFrameworkCore.Metadata.IMutableKey RemoveKey (Microsoft.EntityFrameworkCore.Metadata.IMutableKey key);
abstract member RemoveKey : Microsoft.EntityFrameworkCore.Metadata.IMutableKey -> unit
abstract member RemoveKey : Microsoft.EntityFrameworkCore.Metadata.IMutableKey -> Microsoft.EntityFrameworkCore.Metadata.IMutableKey
Public Sub RemoveKey (key As IMutableKey)
Public Function RemoveKey (key As IMutableKey) As IMutableKey

参数

key
IMutableKey

要删除的密钥。

返回

IMutableKey

已删除的键。

适用于

RemoveKey(IReadOnlyKey)

从此实体类型中删除主键或备用键。

public Microsoft.EntityFrameworkCore.Metadata.IMutableKey? RemoveKey (Microsoft.EntityFrameworkCore.Metadata.IReadOnlyKey key);
abstract member RemoveKey : Microsoft.EntityFrameworkCore.Metadata.IReadOnlyKey -> Microsoft.EntityFrameworkCore.Metadata.IMutableKey
Public Function RemoveKey (key As IReadOnlyKey) As IMutableKey

参数

key
IReadOnlyKey

要删除的密钥。

返回

IMutableKey

删除的键; null 如果未找到密钥，则为 。

适用于

RemoveKey(IReadOnlyList<IProperty>)

从此实体中删除主键或备用键。

public Microsoft.EntityFrameworkCore.Metadata.IMutableKey RemoveKey (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IProperty> properties);
abstract member RemoveKey : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IProperty> -> Microsoft.EntityFrameworkCore.Metadata.IMutableKey
Public Function RemoveKey (properties As IReadOnlyList(Of IProperty)) As IMutableKey

参数

properties
IReadOnlyList<IProperty>

构成键的属性。

返回

IMutableKey

已删除的键。

适用于

RemoveKey(IReadOnlyList<IReadOnlyProperty>)

从此实体类型中删除主键或备用键。

public Microsoft.EntityFrameworkCore.Metadata.IMutableKey? RemoveKey (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IReadOnlyProperty> properties);
abstract member RemoveKey : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IReadOnlyProperty> -> Microsoft.EntityFrameworkCore.Metadata.IMutableKey
Public Function RemoveKey (properties As IReadOnlyList(Of IReadOnlyProperty)) As IMutableKey

参数

properties
IReadOnlyList<IReadOnlyProperty>

构成键的属性。

返回

IMutableKey

删除的键; null 如果未找到密钥，则为 。

适用于