Include and theninclude in entity framework
WebWhat you can do is: var templatesFields = await _context.Sections .Include (x => x.Subtitles) .ThenInclude (r => r.Fields) .ThenInclude (r => r.OptionSources) .ThenInclude (r => r.OptionsSourcesDetails) .Where (t=>t.Subtitles.Fields.Any (x => x.TemplatesFields.TemplateID==TemplateID)) .ToListAsync (); WebOct 7, 2024 · You need to use "Select" to get the corresponding Inventory collection in IssueDetails, and then use "Any" syntax to add conditions to the fields you need to operate on. var query1 = dbViews.Issue1Transaction.Include (item => item.IssueDetails) .ThenInclude (item => item.Inventory).
Include and theninclude in entity framework
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WebJul 23, 2024 · We use the include & ThenInclude methods, along with the Projection Query in EF Core to load the related entities. What are the supported operations in eager loading? Supported operations are: Where, OrderBy, OrderByDescending, ThenBy, … WebEntity Framework Core supports eager loading of related entities, same as EF 6, using the Include () extension method and projection query. In addition to this, it also provides the ThenInclude () extension method to load multiple levels of related entities. (EF 6 does not support the ThenInclude () method.) Include
WebNov 18, 2024 · Include and ThenInclude are used for navigation properties, from the doc: Entity Framework Core allows you to use the navigation properties in your model to load related entities. You can use the Include method to specify related data to be included in query results.You can drill down through relationships to include multiple levels of related ... Web在 Entity Framework Core 中包含子屬性 [英]Include Child Property in Entity Framework Core Bombo 2024-12-30 17:35:37 423 1 c# / entity-framework-core
WebDec 23, 2024 · The applied filter on Include must be stand-alone, i.e. it must work independently of Include. To make it clear, let’s see an example: var goodQuery = context.Courses.Include(c => c.Students.Where(s => s.Id == s.Course.Id)).ToList(); This query is correct and works because Where (s => s.Id == s.Course.Id) can work … WebApr 12, 2024 · If i do: context.entities.Include(e=>e.SomeFkNavigation) it will return the entities with that navigation populated (all cols of the navigation) My question is if i do: context.entities.Include...
WebOct 14, 2024 · Include is an extension method in the System.Data.Entity namespace so make sure you are using that namespace. Eagerly loading multiple levels It is also possible to eagerly load multiple levels of related entities. The queries below show examples of how to do this for both collection and reference navigation properties. C#
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 iron buttWeb7 hours ago · My EF Core application uses a design pattern that aims to support flexible entity queries, by allowing navigation property loading to be specified at runtime. There are 3 key elements to this pattern: Declare a delegate that represents an EF Core include expression. public delegate IIncludableQueryable IncludeClause … port number 26http://duoduokou.com/csharp/27094557695769823087.html port number 1900 used forWebJan 30, 2024 · var blogs = ctx.Blogs .Include (b => b.Posts) .ThenInclude (p => p.Comments) .ToList (); SQL SELECT [b]. [Id], [b]. [Name], [t]. [Id], [t]. [BlogId], [t]. [Title], [t]. [Id0], [t]. [Content], [t]. [PostId] FROM [Blogs] AS [b] LEFT JOIN [Posts] AS [p] ON [b]. [Id] = [p]. [BlogId] LEFT JOIN [Comment] AS [c] ON [p]. [Id] = [c]. iron butt association germanyWebJul 1, 2024 · In EF Core, you may load similar entities at multiple levels by combining the Include () and ThenInclude () extension methods. You can load related entities in Entity Framework Core in one of... iron butt association forumWebСогласно docs имеем возможность использовать Where() внутри Include в EF Core 5. Так вот этот код работает хорошо: var groups = dbContext.DocumentGroups .Include(e => e.Types.Where(x => true)) .OrderBy(e => e.Name); iron butt certificationWebFeb 26, 2024 · In Entity Framework, the Include method loads the related objects to include in the query results. It can be used to retrieve some information from the database and also want to include related entities. We have a simple model which contains two entities. port number 2701