ef4-code-only

相关标签：javascript jquery android 多少钱 iPhone

load partial entityset ef4

Can I load only a few properties from an Entity? As an example I have an entity with the following properties:[详细]

2023-02-16 18:36 分类：问答
EF4 test if collection or related entity is proxy for self-tracking entities

All, I\'m starting out with Entity Framework 4 (not CTP5 yet) and am looking at the complexities of migrating NHibernate to EF.[详细]

2023-02-16 10:53 分类：问答
using Guid as PK with EF4 Code First

I have this class and table: public class Foo { public Guid Id {get;set;} public string Name {get;set;} } create table Foo[详细]

2023-02-16 00:16 分类：问答
Have a problem with EF 4.0 and ObjectStateManager (i think)

I have a serious problem, i have an unique key on fiel开发者_运维知识库d in db, I use Oracle(Devart Provider).[详细]

2023-02-15 18:54 分类：问答
EF4 Code only ctp5: how set connectionstring devart oracle?

hi i have devart oracle provider 6(BETA), and want use code only ctp5...how i c开发者_C百科an set connectionstring for oracle?i started now with Code only and i need use oracle, anyone can help me?You[详细]

2023-02-15 08:06 分类：问答
How do I get the raw SQL underlying a LINQ query when using Entity Framework CTP 5 "code only"?

I\'ve using Entity Framework CTP5 in \"code only\" mode. I\'m running a LINQ query on a object that was return from the database, as the query is running really slowly. Is there any way in which I can[详细]

2023-02-14 06:31 分类：问答
Entity Framework CTP 5 One to One mapping

I have two tables: Requirement RequirementId - PK Fixture FixtureId - PK RequirementId - FK / NULLABLE / Unique Constraint[详细]

2023-02-14 05:45 分类：问答
Why doesn't Entity Framework add a "where" to the SQL generated when SingleOrDefault is used?

I\'m using Entity Framework CTP 5 with \"code only\" (with SQL Server 2008). I have an entity returned from a DbContext that I then access a child collection from, and select one item from it. Here\'s[详细]

2023-02-13 22:54 分类：问答
From what information is EF4 Code first building the conceptual model

As I understand Code First is building a model to work with EF4 in memory and where you can fine tune your mappings and stuff.开发者_运维技巧[详细]

2023-02-13 05:13 分类：问答
Retrieving an Entity Object by name - LINQ to Entities, EF 4.0

I have a number of entity objects that are structurally the same but the naming convention is different e.g Products1, Products2, Products3 (this is part of the legacy db schema and I can\'t do much a[详细]

2023-02-12 13:55 分类：问答