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. 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#
How to include multiple tables in query
WebMar 10, 2024 · Using the Repository Pattern with the Entity Framework by Mátyás Lancelot Bors Medium 500 Apologies, but something went wrong on our end. Refresh the page, check Medium ’s site status, or... WebDec 23, 2024 · Filtering on Multiple Include We can have only one filter per collection navigation. So when we need to include the same navigation multiple times, we should apply the same filter: var goodQuery = context.Courses .Include(c => c.Students.Where(s => s.Mark > 50)).ThenInclude(s => s.Entity1) cleveland browns draft needs
Entity Framework Insert Multiple Entities
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 … WebMay 24, 2011 · In the Entity Framework 4.1 you can pass strongly typed params to Include, http://msdn.microsoft.com/en-us/library/gg715120%28VS.103%29.aspx but in earlier version of the EF you would need to use strings. http://msdn.microsoft.com/en-us/library/bb896272.aspx This posting is provided "AS IS" with no warranties, and confers … WebFeb 19, 2024 · AddRange. The AddRange method is used for adding multiple objects to the database in one method call. The following code inserts a large number of records into … blush desk chair