entity-framework-4

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EF return parent entity only

I\'m having an issue when trying to serialise an entity. An error is being through saying that the query may result in a circular query. Ideally I just want to pull out the entity with no relationship[详细]

2023-04-07 05:11 分类：问答
Entity Error in GDataDB example

Im getting the error \"the type or namespace name \'Entity\' could not be found\" from the following code snippet.[详细]

2023-04-07 02:48 分类：问答
Intercept the 'Expression' property of IQueryable Provider and gets its e-sql

Normally I can query an entity context using linq in the typical way, IQueryable<Product> query = from p in db.Products[详细]

2023-04-07 00:57 分类：问答
Entity Framework Context in Singleton

I\'m building a App that use Context of EF in Singleton Pattern like NHibernate work with Session: public class DbContextFactory[详细]

2023-04-06 15:23 分类：问答
Create custom reports with crystal reports and entity framework 4

I want to allow users of a asp.net mvc 2 application, creating dynamicly reports. In a SQLServer Database is a table with all tasks for a user. Every task depends on a project and a user. What I want[详细]

2023-04-06 11:55 分类：问答
Avoiding round-trips when importing data from Excel

I\'m using EF 4.1 (Code First). I need to add/update products in a database based on data from an Excel file. Discussing here,开发者_如何学Go one way to achieve this is to use dbContext.Products.ToLis[详细]

2023-04-06 06:36 分类：问答
How to get all records within the last Two Days from the current Date using EF 4?

EF 4 in C#. I have my query, at the moment I\'m able to filter the result by the current Date (just date not considering TIME).[详细]

2023-04-06 04:22 分类：问答
How to add a fake EF4 Rerefence with AutoFixture ( or without if possible )

I have the following code: public class FakeOrderRepository:IOrderRepository { private static Fixture fixture = new Fixture();[详细]

2023-04-06 03:09 分类：问答
MembershipProvider custom - Error on saving using EF POCO 4.1

I\'m customizing the class MembershipProvider. When navigating to Asp.net Web Site Administration Tool can list the users normally.[详细]

2023-04-06 01:50 分类：问答
EntityFramework knowing when being materialized

I realize there is an event ObjectMaterialized with gets called on ObjectContext after an object is materialized.[详细]

2023-04-06 01:27 分类：问答