config shadow property 上面例子中,我们利用 HasForeignKey 间接设置了 Shadow Property。 我们来一个直接的。 modelBuilder.Entity<Color>().Property<DateTimeOffset>("LastUpdated"); 使用Property 方法,提供一个类型和一个 name 就可以了,后续要链接上 HasMaxLength,HasPrecision,HasColumnName 都可以。 access shadow...
Accessing shadow properties Configuring indexer properties Property bag entity types Shadow properties are properties that aren't defined in your .NET entity class but are defined for that entity type in the EF Core model. The value and state of these properties are maintained purely in the Change...
Shadow property values can be obtained and changed through theChangeTrackerAPI. 影子属性的值可通过ChangeTrackerAPI获得和改变。 context.Entry(myBlog).Property("LastUpdated").CurrentValue = DateTime.Now; Shadow properties can be referenced in LINQ queries via theEF.Propertystatic method. 影子属性通过EF....
EF Core Shadow PropertyShadow properties in Entity Framework Core are properties that do not feature as part of the entity class but can be included in the model and are mapped to database columns. Shadow properties are useful in many scenarios. For example, they can be used for extending a...
Accessing shadow properties Configuring indexer properties Property bag entity types Shadow properties are properties that aren't defined in your .NET entity class but are defined for that entity type in the EF Core model. The value and state of these properties are maintained purely in the Change...
是 EF Core 3.0 的 breaking changes 引起的，EF Core 3.0 把之前IProperty接口的IsShadowProperty...
Accessing shadow properties Configuring indexer properties Property bag entity types Shadow properties are properties that aren't defined in your .NET entity class but are defined for that entity type in the EF Core model. The value and state of these properties are maintained purely in the ...
Accessing shadow properties Configuring indexer properties Property bag entity types Shadow properties are properties that aren't defined in your .NET entity class but are defined for that entity type in the EF Core model. The value and state of these properties are maintained purely in the ...
如果 Property() 方法中指定的名称与现有属性的名称匹配，则 EF Core 将将该现有属性配置为 shadow ...
3.2 阴影属性(shadow property) 如果依赖实体(如例子中 Post 实体)上,没有明确定义外键(如例子中 BlogId),具体可以查看阴影和索引器属性。 public class Blog // 主体实体 { public int BlogId { get; set; } // 主体键 public string Url { get; set; } ...