RuntimeEntityType.IReadOnlyEntityType.FindKey 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Metadata

程序集:

Microsoft.EntityFrameworkCore.dll

包:

Microsoft.EntityFrameworkCore v8.0.0

获取在给定属性上定义的主键或备用键。 null如果未为给定属性定义键，则返回 。

[System.Diagnostics.DebuggerStepThrough]
Microsoft.EntityFrameworkCore.Metadata.IReadOnlyKey IReadOnlyEntityType.FindKey (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IReadOnlyProperty> properties);

[<System.Diagnostics.DebuggerStepThrough>]
abstract member Microsoft.EntityFrameworkCore.Metadata.IReadOnlyEntityType.FindKey : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IReadOnlyProperty> -> Microsoft.EntityFrameworkCore.Metadata.IReadOnlyKey
override this.Microsoft.EntityFrameworkCore.Metadata.IReadOnlyEntityType.FindKey : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IReadOnlyProperty> -> Microsoft.EntityFrameworkCore.Metadata.IReadOnlyKey

Function FindKey (properties As IReadOnlyList(Of IReadOnlyProperty)) As IReadOnlyKey Implements IReadOnlyEntityType.FindKey

参数

properties

IReadOnlyList<IReadOnlyProperty>

构成密钥的属性。

返回

IReadOnlyKey

键，如果未定义，则为 。null

实现

FindKey(IReadOnlyList<IReadOnlyProperty>)

属性

DebuggerStepThroughAttribute