WebJun 7, 2013 · 11. The only reason i have ever used Set is when you are acting on a type you dont know, eg a generic insert. Heres an example from my generic repository: public void AddOnSave (T entity) { ctx.Set.Add (entity); } Using it for regular stuff just makes the code less readable IMHO. Share. WebOct 27, 2024 · The Local property of DbSet provides simple access to the entities of the set that are currently being tracked by the context and have not been marked as Deleted. Accessing the Local property never causes a query to be sent to the database. This means that it is usually used after a query has already been performed.
DbSet in Entity Framework with Examples - Dot Net …
WebApr 28, 2024 · Learn how an entity framework update records to the database. We can update records either in connected or disconnected scenarios. In the connected Scenario, we open the context, query for the entity, edit it, and call the SaveChanges method. In the Disconnected scenario, we already have the entity with use. WebApr 1, 2016 · I am new to model view controller and Entity Framework and I am designing a web application and I need to import data from Excel into a database. I am having problem importing the data fields like date and I want that it take some values from my controller and some values from Excel. For example if I have 3 fields (Name, product and date), then ... buttermilk and honey short pump menu
Cập nhật dữ liệu trong Entity Framework – thêm/sửa/xóa entity
WebJan 12, 2024 · If the result set contains entity types coming out from LINQ composition, EF Core will track them. C# var blog = context.Blogs .Select ( b => new { Blog = b, Post = b.Posts.OrderBy (p => p.Rating).LastOrDefault () }); If the result set doesn't contain any entity types, then no tracking is done. WebDbContext trong EF Core cho phép chúng ta thực hiện các tác vụ sau: Quản lý kết nối cơ sở dữ liệu. Cấu hình mô hình và mối quan hệ. Truy vấn cơ sở dữ liệu. Lưu dữ liệu vào … WebContext: public DbSet history_builds { get; set; } public DbSet history_uploads { get; set; } public DbSet users { get; … buttermilk and honey short pump va