通过

RelationalPropertyBuilderExtensions.HasComment 方法

  • 参考

定义

命名空间:
Microsoft.EntityFrameworkCore
程序集:
Microsoft.EntityFrameworkCore.Relational.dll
包:
Microsoft.EntityFrameworkCore.Relational v3.0.0
包:
Microsoft.EntityFrameworkCore.Relational v3.1.0
包:
Microsoft.EntityFrameworkCore.Relational v5.0.0
包:
Microsoft.EntityFrameworkCore.Relational v6.0.0
包:
Microsoft.EntityFrameworkCore.Relational v7.0.0
包:
Microsoft.EntityFrameworkCore.Relational v8.0.0

重载

HasComment(PropertyBuilder, String)

配置要应用于列的注释
HasComment(IConventionPropertyBuilder, String, Boolean)

配置要应用于列的注释
HasComment<TProperty>(PropertyBuilder<TProperty>, String)

配置要应用于列的注释

HasComment(PropertyBuilder, String)

配置要应用于列的注释

public static Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasComment (this Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder propertyBuilder, string comment);
public static Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasComment (this Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder propertyBuilder, string? comment);
static member HasComment : Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder * string -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
<Extension()>
Public Function HasComment (propertyBuilder As PropertyBuilder, comment As String) As PropertyBuilder

参数

propertyBuilder
PropertyBuilder

要配置的属性的生成器。

comment
String

列的注释。

返回

PropertyBuilder

同一生成器实例，以便可以链接多个调用。

注解

有关详细信息和示例，请参阅 为实体类型和关系建模 。

适用于

HasComment(IConventionPropertyBuilder, String, Boolean)

配置要应用于列的注释

public static Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder HasComment (this Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder propertyBuilder, string comment, bool fromDataAnnotation = false);
public static Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder? HasComment (this Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder propertyBuilder, string? comment, bool fromDataAnnotation = false);
static member HasComment : Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder * string * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder
<Extension()>
Public Function HasComment (propertyBuilder As IConventionPropertyBuilder, comment As String, Optional fromDataAnnotation As Boolean = false) As IConventionPropertyBuilder

参数

propertyBuilder
IConventionPropertyBuilder

要配置的属性的生成器。

comment
String

列的注释。

fromDataAnnotation
Boolean

指示是否使用数据注释指定配置。

返回

IConventionPropertyBuilder

如果应用了配置，则为同一生成器实例， null 否则为 。

注解

有关详细信息和示例，请参阅 为实体类型和关系建模 。

适用于

HasComment<TProperty>(PropertyBuilder<TProperty>, String)

配置要应用于列的注释

public static Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder<TProperty> HasComment<TProperty> (this Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder<TProperty> propertyBuilder, string comment);
public static Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder<TProperty> HasComment<TProperty> (this Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder<TProperty> propertyBuilder, string? comment);
static member HasComment : Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder<'Property> * string -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder<'Property>
<Extension()>
Public Function HasComment(Of TProperty) (propertyBuilder As PropertyBuilder(Of TProperty), comment As String) As PropertyBuilder(Of TProperty)

类型参数

TProperty

要配置的属性的类型。

参数

propertyBuilder
PropertyBuilder<TProperty>

要配置的属性的生成器。

comment
String

列的注释。

返回

PropertyBuilder<TProperty>

同一生成器实例，以便可以链接多个调用。

注解

有关详细信息和示例，请参阅 为实体类型和关系建模 。

适用于