下一次我们会来分析关闭Lazy Loading的情况下,如何显示加载相关实体,即Explicit Loading。 上一回我们在《Entity Framework加载相关实体——Lazy Loading》分析了Lazy Loading,这一回我们来分析一下在关闭Lazy Loading的情况下,如果显式加载实体。 数据库我们依旧使用Lazy Loading中使用的数
正与我以前提到的,Entity Framework 提供 ORM功能(包含延迟加载)。实际上,EF设计小组从来没有对外宣称将会遵从延迟加载的设计风格(Lazy Loading Design Pattern),取而代之的是:EF提供‘defferred’Loading(延期加载)功能。在另一个角度来讲,延迟加载(lazy loading),延迟初始化(lazy initialization),延期加载deffered l...
对于EF Core中的延迟加载和EF 6.x使用方式无异,接下来我们再来看看官网给出了未启用代理也可进行延迟加载,通过安装【Microsoft.EntityFrameworkCore.Abstractions 】包引用ILazyLoader服务进行实现,如下: public class Blog { private ILazyLoader LazyLoader { get; set; } public Blog(ILazyLoader lazyLoader) { ...
DetachedLazyLoadingWarning事件的日志。 C# 复制 public static void DetachedLazyLoadingWarning(this Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Infrastructure> diagnostics, Microsoft.EntityFrameworkCore.DbContext? context, object en...
I am very glad to see that Lazy Loading is now implemented in EF4, because it makes the entity world more flexible. J All the sample codes in this post can be found in the samples CSEFLazyLoading (C#) and VBEFLazyLoading (VB.NET) in All-In-One Code Framework which is an open-...
' Disable lazy loading.context.ContextOptions.LazyLoadingEnabled =False 如需詳細資訊,請參閱序列化物件 (Entity Framework)。 Proxy 特定 API 的摘要 下面是與使用 POCO Proxy 有關的 API: 成員說明 CreateObject 如果您的 POCO 類別符合建立 POCO Proxy 的需求 (Entity Framework)主題中所述的需求,而且ProxyCreati...
Lazy loading can be enabled in two ways: Using Proxies Using the ILazyLoader service Proxies Proxies are objects deriving from your entities that are generated at runtime by Entity Framework Core. These proxies have behavior added to them that results in database query being made as required ...
Microsoft.EntityFrameworkCore.Proxies.dll パッケージ: Microsoft.EntityFrameworkCore.Proxies v8.0.0 SQL Server特定の構成を に対DbContextOptionsして実行できるようにします。 C# publicclassLazyLoadingProxiesOptionsBuilder 継承 Object LazyLoadingProxiesOptionsBuilder ...
In the Entity Framework, lazy loading is enabled or disabled using the ObjectContext ContextOptions.LazyLoadingEnabled property. By default, Visual Studio will define newly created models to set LazyLoadingEnabled to true, the result being that it’s enabled by default with new models....
LazyLoadingEventData 類別 參考 意見反應 定義 命名空間: Microsoft.EntityFrameworkCore.Diagnostics 組件: Microsoft.EntityFrameworkCore.dll 套件: Microsoft.EntityFrameworkCore v8.0.0 DiagnosticSource事件的來源事件承載類別ILazyLoader C# 複製 public class LazyLoadingEventData : Microsoft.EntityFrameworkCore...