Linq To Entity :: What the following code is doing?

I am running this query but i am unsure of what is it fetching ?

var sm = pe.C开发者_如何学编程ategories.Include("ParentCategory").Where(c => c.ParentCategory.CategoryName == "Electronics");

What will the variable sm have ??

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Edit - You need to remove the Include statement. Linq-to-Entities will allow you to access the properties of the entity without having to include them

var sm = pe.Categories
           .Where(c => c.ParentCategory.CategoryName == "Electronics"); 

• sm will be an IQueryable of type Category

• It will contain Categories where its ParentCategory CategoryName is "Electronics"

• Each cateogry will have its ParentCategory preloaded for you

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var sm = pe.Categories
           .Where(c => c.ParentCategory.CategoryName == "Electronics");

This should work as you expect. Adding Include preloads the specified entity.