You can use the Include method to specify related data to be included in query results. In the following example, the blogs that are returned in the results will have their Postsproperty populated with the related posts. You can include related data from multiple relationships in a single query. See more You can drill down through relationships to include multiple levels of related data using the ThenIncludemethod. The following example loads all blogs, their related posts, and the author of each post. You can chain … See more You can include related data from navigation defined only on a derived type using Include and ThenInclude. Given the following model: Contents of Schoolnavigation of all People who are Students can be … See more When applying Include to load related data, you can add certain enumerable operations to the included collection navigation, which allows for filtering and sorting of the results. Supported operations are: … See more You can configure a navigation in the model to be included every time the entity is loaded from the database using AutoInclude method. … See more WebJan 12, 2024 · using (var context = new BloggingContext ()) { var filteredBlogs = context.Blogs .Include ( blog => blog.Posts .Where (post => post.BlogId == 1) .OrderByDescending (post => post.Title) .Take (5)) .ToList (); } In other scenarios, we may not know which related entity we're going to need before we get its principal entity.
[Solved]-Include / ThenInclude with where in EF Core-LINQ,C#
WebJun 10, 2016 · If I wanted to include the Product entity that's available from the SalesOrderItem, I would have to do it this way with a lambda expression: Dim soDTO = From so In sor.SalesOrderHeaders _ .Include (Function (s) s.SalesOrderItems.Select (Function (si) si.Product)) Where so.SalesOrderId = SalesOrderId Select so. I have to … WebAug 8, 2024 · User956626884 posted I am trying to data from another table into my query with .include() but not sure how. In my class I got the following I got a second .include and I would in include the data from the Title table where the titleId equals the Id from Table1 table. Thanks. Classes: public ... · User1520731567 posted Hi comicrage, Query: var … get instagram followers online
What namespace do I need to use .Include() with EF?
WebEager loading is achieved by the use of the Include method. It means that requesting related data be returned along with query results from the database. There is only one connection made to the data source, a larger amount of data is returned in the initial query. For example, when querying students, eager-load their enrollments. WebOct 12, 2024 · The simplest way to use lazy-loading is by installing the Microsoft.EntityFrameworkCore.Proxies package and enabling it with a call to UseLazyLoadingProxies. For example: C# protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) => optionsBuilder … WebEntity Framework core work-around. Since version 2.0.0, EF-core has global query filters. These can be used to set predefined filter on entities that are to be included. Of course … christmas readings and poems