Include and theninclude in c#

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WebFeb 26, 2024 · using ( var ctx = new CustomerContext ()) { var customers = ctx.Customers .Include (x => x.Orders.Select (y => y.Items.Select (z => z.Product)) .Include (x => x.Payments.Select (y => y.Items) .Include (x => x.Shippings.Select (y => y.Items) .ToList (); } StackOverflow Related Questions Entity Framework Include performance Web我在處理包含大量鏈式.Include 的大型 EF Core 查詢時遇到問題。我有一個看起來像這樣的 linq 查詢： context.Equipment.Include x gt x.Group .Include x gt x.Status .Include x gt …

How do I exclude a column in a "ThenInclude" object in Entity …

WebJul 26, 2024 · I need to get the information instead of have the ID's but I can't understand where I need to use the include method to get all the information from the other entities. … WebDec 23, 2024 · .Include(c => c.Students.Where(s => s.Mark <= 50)).ToList(); After executing the queries, the result is an aggregate between the first and second predicates, so we return all the students related to courses. To solve this issue we can use a new context or AsNoTracking method: var query1 = context.Courses .AsNoTracking() immigrate to thailand

Entity Framework recursively include collection for each entity …

http://duoduokou.com/csharp/27342138329645772088.html WebI figured out a simplest way. You don't need to install package ThenInclude.EF or you don't need to use ThenInclude for all nested navigation properties. Just do like as shown below, … WebThenInclude is a syntactic sugar method to make it easier and clearer to include multiple related objects. ctx.Customers .Include (customer => customer.Orders) .ThenInclude … immigrate to sweden from lebanon

Eager Loading using Include & ThenInclude in EF Core

Entity Framework - Include Multiple Levels of Properties

Web7 hours ago · There are 3 key elements to this pattern: Declare a delegate that represents an EF Core include expression public delegate IIncludableQueryable IncludeClause (IQueryable value); Create pre-defined instances of this delegate that represent include expressions for various scenarios: WebI hold a first-class honours degree in information engineering from City University of Hong Kong, where I received three Dean's List awards for … list of summer olympics locationsWebMar 29, 2024 · C# Console.WriteLine (order.OptionalInfo!.ExtraAdditionalInfo!.SomeExtraAdditionalInfo); A similar issue occurs when including multiple levels of relationships across optional navigations: C# var order = context.Orders .Include (o => o.OptionalInfo!) .ThenInclude (op => op.ExtraAdditionalInfo) … immigratiedienst bonaire

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Include and theninclude in c#

c# - Get all children recursively in Entity Framework Core - Code ...

The difference is that Include will reference the table you are originally querying on regardless of where it is placed in the chain, while ThenInclude will reference the last table included. This means that you would not be able to include anything from your second table if you only used Include. WebDimension15. Jan 2024 - Aug 20243 years 8 months. Pretoria Area, South Africa. Architect and code in predominantly Rust, C# via .Net Core\.Net …

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WebAug 22, 2024 · Specification pattern with Include and ThenInclude · Issue #9523 · dotnet/efcore · GitHub. dotnet / efcore Public. Notifications. Fork 2.9k. Star 12.4k. Code. …

WebNov 5, 2008 · Hi! I'm Avi, a full-stack software-developer with ~10 years of experience. I started off working for NetApp (an Operating Systems and Storage company) as a Software-Engineer in the File-System team. We primarily used C++ for the product, and shell/perl/awk/etc scripting for tools and other misc activities. This one time we cracked a … WebApr 13, 2024 · Buzzword bingo, FTW! No, this session is not about Blazor WebAssembly. Rather, Christian will discuss WebAssembly as a base technology and ubiquitous platform that enables many ever-dreamed-of scenarios in computing. These include - in conjunction with WASI - secure isolated execution environments, powerful instantiation & execution …

WebFeb 23, 2024 · EF Core has a new extension method ThenInclude(). You can drill down thru relationships to include multiple levels of related data using the ThenInclude method. … WebTechnologies that I have a significant amount of experience with include: Angular, C# / asp.NET, Swift, Git, SQL. Learn more about Tyler …

WebC# : How to write Repository method for .ThenInclude in EF Core 2To Access My Live Chat Page, On Google, Search for "hows tech developer connect"As I promise...

WebApr 16, 2024 · customers .Include(c => c.Orders.Where(o => o.Name != "Foo")).ThenInclude(o => o.OrderDetails) .Include(c => c.Orders.Where(o => o.Name != "Foo")).ThenInclude(o => o.Customer) Special thanks to Maurycy Markowski for updating us all and Gert Arnold for updating my original Stack Overflow request. immigrather hof restaurantWebC# 包括，选择不返回的嵌套对象,c#,linq,entity-framework-core,C#,Linq,Entity Framework Core,嗨，我是LINQ和EF的新手，我正在试图理解为什么下面的代码不返回嵌套实体，即使我使用include显式地加载它们 var x = await _context.AuthorBooks.Where(ub => ub.AuthorId == authorId) .Include(ub => ub.Book) .ThenInclude (b=> immigrather platzWebOct 24, 2024 · Related to community attention, we found that topics with the most questions include concepts such as 2D and collision detection and technologies such as Unity and C#, whereas questions touching on concepts such as video and augmented reality and technologies such as iOS, Unreal-4 and Three.js generally lack satisfactory answers. immigrate to the us from canadaWebJan 13, 2024 · It does that by using two different methods Include () and ThenInclude (). In the next example, we are going to return only one student with all the related evaluations, to show how the Include () method works: var students = _context.Students .Include(e => e.Evaluations) .FirstOrDefault(); list of sunday in 2022WebSpecifies the related objects to include in the query results. public: System::Data::Objects::ObjectQuery ^ Include(System::String ^ path); public System.Data.Objects.ObjectQuery Include (string path); member this.Include : string -> System.Data.Objects.ObjectQuery<'T> Public Function Include (path As String) As … list of summer holidaysWebJul 24, 2024 · ・ ThenInclude () は可能であれば使わない・使う必要がある場合は上手く実装できないと ThenInclude () を使うのが (多分)一番速い・EFCoreなんて知らんとばかりにゴリゴリSQL発行するのがいいのかもしれない (試してない) 追記・ORDER BYがボトルネックになってたので Include () 時のORDER BYについて調べてたらこんなのもあった → … immigrate to us from ukWebOct 28, 2024 · In EF, eager loading related entities are retrieved in a single query using the Include () and ThenInclude extension methods. Here, we retrieve the related Customer and ProjectSkills entities for the Project whose ProjectId has the value of the input parameter, id. immigrating from south africa to ireland