WebJan 12, 2024 · Although this code only actually needs each Blog's Url property, the entire Blog entity is fetched, and unneeded columns are transferred from the database: SQL SELECT [b]. [BlogId], [b]. [CreationDate], [b]. [Name], [b]. [Rating], [b]. [Url] FROM [Blogs] AS [b] This can be optimized by using Select to tell EF which columns to project out: C# WebMar 7, 2016 · No way to .ThenInclude() multiple sub-properties #4716. gzak opened this issue Mar 7, 2016 · 15 comments Labels. closed-no-further-action The issue is closed and no further action is planned. customer …
Entity Framework Include Multiple Levels
/// Gets the first or default entity based on a predicate, orderby delegate and include delegate. ... query.Include(t => t.Navigation1, t => t.Navigation2.Select(x => x.Child1)); And it was perfect and simple. We could expose it in an repository without dragging references from the EF assembly to other projects. WebFeb 23, 2024 · The Include method specifies 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. Now let's say we have a simple model which contains three entities. little baby bum bus bus bus yeah
EF LINQ include multiple and nested entities - Stack …
WebJun 30, 2024 · You can implement a single repository for all entity types, or one for each type. If you implement one for each type, you can use separate classes, a generic base class and derived classes, or an abstract base class and derived classes. You can include business logic in your repository or restrict it to data access logic. WebMar 29, 2024 · To use table splitting the entity types need to be mapped to the same table, have the primary keys mapped to the same columns and at least one relationship configured between the primary key of one entity type and another in the same table. WebFeb 26, 2024 · include 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 … little baby bum brush teeth song