WebOct 29, 2016 · EF Core Include / ThenInclude totally replace the need of Select / SelectMany used in EF6. Both they have separate overloads for collection and reference type navigation properties. If you use the overload with collection, ThenInclude operates on the type of the collection element, so at the end you always end up with a single entity type. WebJul 29, 2010 · EF Core. For eager loading relationships more than one navigation away (e.g. grand child or grand parent relations), where the intermediate relation is a collection (i.e. 1 to many with the original 'subject'), EF Core has a new extension method, .ThenInclude(), and the syntax is slightly different to the older EF 4-6 syntax: using …
32-Asp.net Core Dersleri-Include & ThenInclude - YouTube
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: EF Core will then enable lazy loading for any navigation property that can be overridden--that is, it must be virtual and on a class that … WebMay 25, 2024 · Next steps. Entity Framework (EF) Core is a lightweight, extensible, open source and cross-platform version of the popular Entity Framework data access … e-learning uidai
Lazy Loading of Related Data - EF Core Microsoft Learn
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 … 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 … 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 1, 2024 · If you want include multiple entities for example include Portfolio and Technology entities, your code like as below: var list = _unitOfWork.PortfolioTechnologyRepository.GetAll (x => x.PortfolioId == id, y => y.Technology, x => x.Portfolio); Note: SharpListResponse is wrapper class. Code is … WebDec 27, 2010 · Entity-Framework Select Distinct Name: Suppose if you are using Views in which you are using multiple tables and you want to apply distinct in that case first you have to store value in variable & then you can apply Distinct on that variable like this one..... public List GetItemDescription(int ItemNo) { var Result= … food not tasting right