Web我正在查詢下圖中其他兩個表生成的表。 在一個類別中,我可以有幾個問題。 使用此查詢沒有我預期的結果: var result await repository.GetQuestionCategory .Include x gt x.Category .Include y gt y.Question . 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 that doesn't offer the same flexibility as filtering Includeon the fly.Although global query filters are a great feature, so far the limitation is that a filter can't contain references … See more In EF6, a work-around is to first query the required objects in a projection (new) and let relationship fixup do its job. You can query the required objects by What … See more There is a library, EntityFramework.DynamicFiltersthat makes this a lot easier. It allows you to define global filters for entities, that will subsequently be applied any … See more
LINQ Include Uncovered. Learn all the tricks - Chubby Developer
WebThe Include () extension method can also be used after the FromSql () method, as shown below. var context = new SchoolContext (); var studentWithGrade = context.Students .FromSql ( "Select * from Students where FirstName ='Bill'" ) .Include (s => s.Grade) .FirstOrDefault (); WebFeb 26, 2024 · How to Include with Where clause? To retrieve some information from the database and also want to include related entities conditionally. For example, if we have a … green ply vacancy
Use Lambda Expressions in LINQ Includes - Visual Studio Magazine
WebThe Include method is used to eagerly load related data by passing in the navigation property that you want to include in the result set. The following query will retrieve all authors and their books: var authors = context.Authors.Include(a => a.Books).ToList(); You can chain calls to the Include method to load data from multiple relationships: WebOct 6, 2024 · Once created, in the Solution Explorer, right-click on the project, then click on Add > Service Reference Here you can add references to OpenAPIs, gRPC, and other external services. Now, click on Add under the OpenAPI section. Finally, you can add a new API reference by specifying the location of the OpenAPI, both on your local machine or online. WebThe Include path expression must refer to a navigation property defined on the type. Use dotted paths for reference navigation properties and the Select operator for collection … fly thrive