共用方式為

DiscriminatorBuilder.IConventionDiscriminatorBuilder.HasValue 方法

  • 參考

定義

命名空間:
Microsoft.EntityFrameworkCore.Metadata.Builders
組件:
Microsoft.EntityFrameworkCore.dll
套件:
Microsoft.EntityFrameworkCore v3.0.0
套件:
Microsoft.EntityFrameworkCore v3.1.0
套件:
Microsoft.EntityFrameworkCore v5.0.0
套件:
Microsoft.EntityFrameworkCore v6.0.0
套件:
Microsoft.EntityFrameworkCore v7.0.0
套件:
Microsoft.EntityFrameworkCore v8.0.0

多載

IConventionDiscriminatorBuilder.HasValue(Object, Boolean)

設定要使用的辨別子值。
IConventionDiscriminatorBuilder.HasValue(IConventionEntityType, Object, Boolean)

設定要用於指定型別實體的辨別子值。

IConventionDiscriminatorBuilder.HasValue(Object, Boolean)

設定要使用的辨別子值。

Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder IConventionDiscriminatorBuilder.HasValue (object value, bool fromDataAnnotation);
[System.Diagnostics.DebuggerStepThrough]
Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder? IConventionDiscriminatorBuilder.HasValue (object? value, bool fromDataAnnotation);
[System.Diagnostics.DebuggerStepThrough]
Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder IConventionDiscriminatorBuilder.HasValue (object value, bool fromDataAnnotation);
abstract member Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder.HasValue : obj * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder
override this.Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder.HasValue : obj * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder
[<System.Diagnostics.DebuggerStepThrough>]
abstract member Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder.HasValue : obj * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder
override this.Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder.HasValue : obj * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder
Function HasValue (value As Object, fromDataAnnotation As Boolean) As IConventionDiscriminatorBuilder Implements IConventionDiscriminatorBuilder.HasValue

參數

value
Object

辨別子值。

fromDataAnnotation
Boolean

指出是否已使用資料批註指定組態。

傳回

IConventionDiscriminatorBuilder

相同的產生器，以便鏈結多個呼叫。

實作

HasValue(Object, Boolean)
屬性
DebuggerStepThroughAttribute

適用於

IConventionDiscriminatorBuilder.HasValue(IConventionEntityType, Object, Boolean)

設定要用於指定型別實體的辨別子值。

Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder IConventionDiscriminatorBuilder.HasValue (Microsoft.EntityFrameworkCore.Metadata.IConventionEntityType entityType, object value, bool fromDataAnnotation);
[System.Diagnostics.DebuggerStepThrough]
Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder? IConventionDiscriminatorBuilder.HasValue (Microsoft.EntityFrameworkCore.Metadata.IConventionEntityType entityType, object? value, bool fromDataAnnotation);
[System.Diagnostics.DebuggerStepThrough]
Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder IConventionDiscriminatorBuilder.HasValue (Microsoft.EntityFrameworkCore.Metadata.IConventionEntityType entityType, object value, bool fromDataAnnotation);
abstract member Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder.HasValue : Microsoft.EntityFrameworkCore.Metadata.IConventionEntityType * obj * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder
override this.Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder.HasValue : Microsoft.EntityFrameworkCore.Metadata.IConventionEntityType * obj * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder
[<System.Diagnostics.DebuggerStepThrough>]
abstract member Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder.HasValue : Microsoft.EntityFrameworkCore.Metadata.IConventionEntityType * obj * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder
override this.Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder.HasValue : Microsoft.EntityFrameworkCore.Metadata.IConventionEntityType * obj * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionDiscriminatorBuilder
Function HasValue (entityType As IConventionEntityType, value As Object, fromDataAnnotation As Boolean) As IConventionDiscriminatorBuilder Implements IConventionDiscriminatorBuilder.HasValue

參數

entityType
IConventionEntityType

要設定辨別子值的實體類型。

value
Object

辨別子值。

fromDataAnnotation
Boolean

指出是否已使用資料批註指定組態。

傳回

IConventionDiscriminatorBuilder

相同的產生器，以便鏈結多個呼叫。

實作

HasValue(IConventionEntityType, Object, Boolean)
屬性
DebuggerStepThroughAttribute

適用於