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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 Composite Key Issue

Created by EnenDaveyBoy. Latest Post by EnenDaveyBoy, a few seconds ago.

20 2

Duplicated ResultMapping element encountered

Created by arunabathan. Latest Post by arunabathan, 52 minutes ago.

21 2

Contains Issue using string

Created by Khan_1. Latest Post by Lokesh B R, 3 hours, 29 minutes ago.

14 1

How to generate sql query to entity framework command?

Created by Shibly. Latest Post by Shibly, 4 hours, 39 minutes ago.

17 0

Compare datatable and return rows with changes

Created by vignesht5. Latest Post by Lokesh B R, May 25, 2015 06:37 AM.

138 13

How to resolve "One or more validation errors were detect...

Created by 20051984. Latest Post by Zhi Lv - MSF..., May 25, 2015 05:41 AM.

65 1

Sort datatable columns and compare

Created by vignesht5. Latest Post by Zhi Lv - MSF..., May 25, 2015 04:17 AM.

41 1

Provide format when converting to decimal

Created by claudio7810. Latest Post by Rion William..., May 24, 2015 02:00 PM.

15 2

SQL query with subqueries to EF

Created by Bbaale San. Latest Post by PatriceSc, May 23, 2015 07:04 PM.

11 1

Error converting data type nvarchar to numeric

Created by claudio7810. Latest Post by claudio7810, May 23, 2015 06:52 PM.

26 4

How to convert time(7) to System.DateTime?

Created by bigyeti. Latest Post by pradip.bobha..., May 23, 2015 12:14 AM.

12 1

move EF database tables -> error in code

Created by Mickmiller. Latest Post by Mickmiller, May 22, 2015 04:08 PM.

19 2

EF how to use it in real-life?

Created by whisky. Latest Post by ignatandrei, May 22, 2015 03:15 PM.

8 1

Select where 2 conditions

Created by Taonias. Latest Post by Lokesh B R, May 22, 2015 11:54 AM.

17 3

Edit method not working

Created by bigyeti. Latest Post by bigyeti, May 22, 2015 11:52 AM.

17 3

Datacontext for custom string types

Created by hambi. Latest Post by hambi, May 22, 2015 10:52 AM.

12 2

Linq List in List

Created by micnie2020. Latest Post by Lokesh B R, May 22, 2015 07:16 AM.

11 3

Tuning Wizard and linq

Created by ThatsIT. Latest Post by ThatsIT, May 22, 2015 04:51 AM.

20 6

Why is it reporting an invalid column name on db.SaveChan...

Created by bigyeti. Latest Post by Starain chen..., May 22, 2015 02:06 AM.

26 2

Linq error - unable to call distinct()

Created by missy786. Latest Post by Albert Zhang, May 22, 2015 01:11 AM.

30 2
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