entity-framework
Getting POCO mapping error in Entity Framework
I feel like I\'m missing some basic setup step here, but I\'ve been wading through forum posts, blog articles, and videos for hours and keep having the same problem, so I figure it\'s time to post.[详细]
2023-04-11 15:01 分类:问答Can't return a view with include()
ASP.net MVC3 Razor EF When I开发者_如何学Python do this it works: public ViewResult Index() { return View(db.Songs.Include(\"Artist\").ToList());[详细]
2023-04-11 14:21 分类:问答How to combine rows using LINQ?
Say I have an entity with following properties [Id, UserName, ProductName], where Id is the PK, and other fields are not unique, so the rows with same UserName repeat multiple times.[详细]
2023-04-11 13:51 分类:问答Entity Framework - Making a column auto-incremement
So I\'m using the Entity Framework and we have a modal for a table called TPM_PROJECTVERSIONNOTES.This table has a column called NOTEID which is a number.Right now, when we create a new row, we get th[详细]
2023-04-11 13:27 分类:问答Entity Framework multi table query
I need guidance with what I think is a complex Entity Framework 4.1 table query. An item has a开发者_运维百科 list of associated Identities.A user then has a list of Identities that can be selected[详细]
2023-04-11 13:19 分类:问答Entity Framework Not handling changes to a composite key
I have a class for a many-to-many relationship, like so: public partial class AdminBoundaryStaff { [Key, Column(Order=0)][详细]
2023-04-11 12:58 分类:问答Querying M:M relationships using Entity Framework
How would I modify the following code: var result = from p in Cache.Model.Products from f in p.Flavours[详细]
2023-04-11 12:39 分类:问答ASP.NET MVC, Entity Framework and performance
I have problem with performance and don\'t understand behaviour of EF. I use ASP.NET MVC application and have the following code in model:[详细]
2023-04-11 12:37 分类:问答Entity Framework CreateObjectset Attach method not updating
I am using an example off this link to update database tables in SQL Server 2008 following the repository and Unit of Work pattern.[详细]
2023-04-11 12:21 分类:问答Entity Framework 4 (Assocations configured with filters)
I have a user entity that contains a collection of survey entities. i would like the 开发者_StackOverflowassocation to include a filter on the relationship, such as \'IsCompleted\', so whenever i eage[详细]
2023-04-11 10:46 分类:问答