IConventionPropertyBuilder.HasKeyValueComparer(ValueComparer, Boolean) 方法
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
注意
Use HasValueComparer. Only a single value comparer is allowed for a given property.
将 ValueComparer 配置为用于此属性的键比较。
public Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder HasKeyValueComparer (Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer comparer, bool fromDataAnnotation = false);
[System.Obsolete("Use HasValueComparer. Only a single value comparer is allowed for a given property.")]
public Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder HasKeyValueComparer (Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer comparer, bool fromDataAnnotation = false);
[System.Obsolete("Use HasValueComparer. Only a single value comparer is allowed for a given property.")]
public Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder? HasKeyValueComparer (Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? comparer, bool fromDataAnnotation = false);
abstract member HasKeyValueComparer : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder
[<System.Obsolete("Use HasValueComparer. Only a single value comparer is allowed for a given property.")>]
abstract member HasKeyValueComparer : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionPropertyBuilder
Public Function HasKeyValueComparer (comparer As ValueComparer, Optional fromDataAnnotation As Boolean = false) As IConventionPropertyBuilder
参数
- comparer
- ValueComparer
比较器,或者 null
删除任何以前设置的比较器。
- fromDataAnnotation
- Boolean
指示配置是否是使用数据注释指定的。
返回
如果应用了配置,则为同一生成器实例, null
否则为 。
- 属性