Entity Framework提供了三种加载相关实体的方法:Lazy Loading,Eager Loading和Explicit Loading。首先我们先来看一下MSDN对三种加载实体方法的定义。 Lazy Loading:对于这种类型的加载,在您访问导航属性时,会从数据源自动加载相关实体。使用此加载类型时,请注意,如果实体尚未在 ObjectCon
To enable Eager Loading, we can use the Include() method. This method allows us to specify related entities to load along with the main entity in a query. We no longer need to mark the navigation properties virtual to use the Eager Loading strategy. Let’s retrieve an author and all the...
Eager loading is the process whereby a query for one type of entity also loads related entities as part of the query. Eager loading is achieved by use of the Include method. For example, the queries below will load blogs and all the posts related to each blog. using (var context = new...
Yes, lazy loading is enabled in the Entity Framework ORM too, it is on by default in Entity Framework, so if you want to enable lazy loading in Entity Framework, you don't need to do anything. Haha.. And the opposite of lazy loading is eager loading that we will see in this ...
In this post, we will be discussing about Eager Loading, Lazy Loading and Explicit Loading in an Entity Framework. All three terms -- Eager Loading, Lazy Loading and Explicit Loading -- refer to the process of loading the related entities. They define when to load the related entities or ...
Of course, we can still use Eager Loading and Explicit Loading as our wish. Let’s see how they work in EF4. We first create an EDM with two entities: Department and Course. Lazy Loading Right click any blank area of the EDM designer, we see the ConceptualEntityModel properties of the...
Entity Framework, Eager Loading and Lazy Loading, my own 2 cents. For those new to Entity Framework, we are talking about the patterns that you can use to load related objects. The strategy by which you would load entity objects that are related to the one in...
Entity Framework加载相关实体——Lazy Loading Entity Framework提供了三种加载相关实体的方法:Lazy Loading,Eager Loading和Explicit Loading。首先我们先来看一下MSDN对三种加载实体方法的定义。 Lazy Loading:对于这种类型的加载,在您访问导航属性时,会从数据源自动加载相关实体。 使用此加载类型时,请注意,如果实体尚未在...
In this post you will learn what Eager Loading is and what Lazy Loading is and how this works in the application, and how you can take its advantages. With Entity Framework we have various patterns that you can use to load related entities. As you know, entity types can define navigation...
3. Eager and Lazy Loading The first thing that we should discuss here is what lazy loading and eager loading are: Eager Loadingis a design pattern in which data initialization occurs on the spot. Lazy Loadingis a design pattern that we use to defer initialization of an object as long as ...