entity-framework-ctp5

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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
Deleting multiple records in EF CTP5

I have a Person class: public class Person { public int Id { get; set; } public int DeptId { get; set; }[详细]

2023-02-16 00:04 分类：问答
Entity Framework 4 - Mapping non-public properties with CTP5 (code first) in a persistence unaware context

I know the question already has a solution (eg. this question) but I really can\'t afford to attach the mapping logic in the same assembly where the domain (POCO classes) is.[详细]

2023-02-15 22:59 分类：问答
Entity Framework Code First - Add Child Entity to Parent by Primary Key

In Entity Framew开发者_StackOverflow社区ork Code First CTP5 is it possible to add a child entity to a parent entity collection using only the primary key of the child? My goal is to avoid having to fi[详细]

2023-02-15 21:55 分类：问答
EF4 CTP5 - Map foreign key without object references?

I feel like this should have a simple answer, but I can\'t开发者_开发问答 find it. I have 2 POCOs:[详细]

2023-02-15 14:10 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
in linq to entities, how to do an inner EXISTS (SELECT 1 FROM... type of query?

I am trying to write a LINQ equivalent of SELECT C1, C2, C3 FROM T1 WHERE T1.C4=\'xyz\' AND EXISTS (SELECT 1 FROM T2[详细]

2023-02-15 07:09 分类：问答
How to save related new objects that comes from differents DBContext CTP5

I\'m working on a MVC3 application and I created my POCO classes from my database with the DbContext Code Generator. All goes fine until I got stuck in this situation. Note that I use the repository p[详细]

2023-02-15 06:46 分类：问答
EF CTP5 which code generation item to choose?

With EF 4.1 on the way and CTP5 being available for few months now I\'ve decided to try out the new functionality. As I see, there are multiple generation items available (DbContext and three differen[详细]

2023-02-15 04:16 分类：问答
Define the key for this EntityType

I get this error on this line of code - ReportRunnerEntities reportDB = new ReportRunnerEntities(); public ActionResult Index()[详细]

2023-02-14 21:22 分类：问答