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Using ADO.NET, Entity Framework, LINQ to SQL, NHibernate, and other ORMs (Object-Relational Mapping) with ASP.NET

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Entity framework exception on inserting a new record

Created by Mister_L. Latest Post by Marcelo Abos..., 4 hours, 51 minutes ago.

8 1

How do I use "less than or equal to" in LINQ-to-SQL?

Created by Ibangajnr. Latest Post by Rion William..., 11 hours, 19 minutes ago.

17 5

Problem with SimpleAuthentication, OAuth and existing DB

Created by fabjoe. Latest Post by fabjoe, 13 hours, 45 minutes ago.

16 0

Help translating SQL to Linq

Created by petjoh. Latest Post by petjoh, 14 hours, 28 minutes ago.

25 2

Multi-tenant using Entity Framework 5.0 databasefirst and...

Created by niventhdotne.... Latest Post by niventhdotne..., 18 hours, 38 minutes ago.

31 2

Named queries in mapping file

Created by dimuthudrw. Latest Post by Pengzhen Son..., 19 hours, 44 minutes ago.

10 1

Linq query not working - Method 'Boolean Contains(System....

Created by pizzamaker74. Latest Post by ignatandrei, 20 hours, 14 minutes ago.

12 3

Can you please tell me related to dbml default value it t...

Created by guptaneelesh. Latest Post by Amy Peng - M..., 20 hours, 58 minutes ago.

19 1

Contoso University Sample Error

Created by EduardoRMont.... Latest Post by EduardoRMont..., May 23, 2013 09:08 PM.

1,285 5

How to save XML in SQL Server 2005 table column using Ent...

Created by braveboy76. Latest Post by braveboy76, May 23, 2013 09:03 PM.

32 3

A transport-level error has occurred when sending the req...

Created by cenk1536. Latest Post by cenk1536, May 23, 2013 12:31 PM.

23 3

Entity Framework Doesn't map stored procedure values

Created by vectorman. Latest Post by vectorman, May 23, 2013 11:58 AM.

34 3

LINQ Query/Unit Test to Show that an Entry has been delet...

Created by valokafor. Latest Post by DarrellNorto..., May 23, 2013 09:37 AM.

9 1

Are these articles still applicable to EF 5.0...?

Created by TheNutCracke.... Latest Post by Amy Peng - M..., May 23, 2013 07:48 AM.

17 2

DbUpdateConcurrencyException not raised Database First

Created by hetals. Latest Post by Amy Peng - M..., May 23, 2013 06:31 AM.

25 1

ADO.NET Data Model..... I’m getting NullReferenceExceptio...

Created by Mekonen. Latest Post by jsiahaan, May 23, 2013 12:27 AM.

16 2

If clause for where clause in entitydata source

Created by kamut. Latest Post by alex_brambil..., May 22, 2013 11:42 PM.

33 1

why are ienumberable<> updated values lost?

Created by alex_brambil.... Latest Post by ignatandrei, May 22, 2013 11:25 PM.

10 1

Map a property to a different entity on a condition Entit...

Created by sharadc. Latest Post by thaicarrot, May 22, 2013 08:14 PM.

11 1

Maddening "Underlying provider failed on open" error.

Created by quantum_kev. Latest Post by adamturner34, May 22, 2013 05:09 PM.

18 4
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