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 x.Area .Inclu WebJun 5, 2024 · I seems that EF 6 and EFCore work differently when it comes to Include? EFCore has the Include () and ThenInclude pattern but that is rather useless for recursive initialization. When loading manually have you then experimented with the abilities to load navigation properties on each object as in:
C# Entity LINQ Include another table into collection with .Include ()
WebFeb 26, 2024 · The Include () method allows the required depth of eager loading to be specified by providing Select expressions to the appropriate depth. Using Lambda Expression using ( var context = new EntityContext ()) { var customers = context.Customers .Include (i => i.Invoices.Select (it => it.Items)) .ToList (); } Try it online WebNov 29, 2015 · One allows you to do EF6 style string includes - such as context.Blogs.Include ("Posts") and context.Blogs.Include ("Posts.Author.Photo"). The second overload allows you to make use of the C# 6 nameof feature when including multiple levels context.Blogs.Include (nameof (Post.Blog), nameof (Blog.Owner), nameof … dark they were golden eyed pdf
Eager Loading of Related Data - EF Core Microsoft Learn
WebJan 3, 2024 · return _context.Tenders .Include(t => t.Creator) .Include(t => t.TenderCircles.Select(tc => new { CirlceId = tc.CircleId, TenderId = tc.TenderId })) .ToList(); But, it simply doesn't work. What I want to achieve is that I only want to get the TenderId and CircleId properties from TenderCircle and ignore the actual Tender and Circle objects. 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 … WebC# 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=> dark they were golden eye