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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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LINQ FirstOrDefault is not returning Null if no values ar...

Created by tvb2727. Latest Post by tvb2727, 10 minutes ago.

4 0

does not declare a navigation property

Created by itman1981. Latest Post by Fei Han - MS..., 1 hour, 31 minutes ago.

22 3

foreach statement cannot operate on variables of certain...

Created by Philosophaie. Latest Post by Rion William..., 14 hours, 14 minutes ago.

33 1

nHibernate: Illegal attempt to associate a collection wit...

Created by deadManN. Latest Post by deadManN, 15 hours, 9 minutes ago.

21 1

Does vb equivalent in c# when using EF in VB?

Created by thaicarrot. Latest Post by thaicarrot, 16 hours, 11 minutes ago.

18 2

Entity Framework Question

Created by bhushan_micr.... Latest Post by Zhi Lv - MSF..., 19 hours, 18 minutes ago.

28 1

Can not access navigation property when using SingleOrDef...

Created by johnjohn1231.... Latest Post by johnjohn1231..., Jan 24, 2015 03:43 PM.

15 0

'EntityState' is an ambiguous reference between 'System.D...

Created by johnjohn1231.... Latest Post by johnjohn1231..., Jan 24, 2015 12:23 PM.

92 14

LINQ to SQL get Distinct records.

Created by Ghustis. Latest Post by Ghustis, Jan 24, 2015 04:22 AM.

74 11

Question re: model/display Self-referencing Entity

Created by bregia. Latest Post by bregia, Jan 23, 2015 11:36 PM.

16 0

I was able to add a Parent record using child.ADD()

Created by johnjohn1231.... Latest Post by johnjohn1231..., Jan 23, 2015 11:06 PM.

13 0

How to read a datatable rows

Created by edcal. Latest Post by A2H, Jan 23, 2015 04:29 PM.

46 7

AspNetUser 1:n relationship

Created by Olias. Latest Post by Olias, Jan 23, 2015 12:30 PM.

29 1

Migrations not using the Seed method

Created by hugoZA. Latest Post by hugoZA, Jan 23, 2015 10:47 AM.

21 4

Need to Validate Email Address via Linq from the database

Created by tvb2727. Latest Post by tvb2727, Jan 23, 2015 10:32 AM.

32 6

Entity Framework Entity without primary key.

Created by Ghustis. Latest Post by Zhi Lv - MSF..., Jan 23, 2015 06:01 AM.

29 4

Using Oracle or Mysql

Created by DEVDXB. Latest Post by xequence, Jan 23, 2015 02:10 AM.

39 7

EntityFramework Order of Insert Execution Problem

Created by david wendel.... Latest Post by david wendel..., Jan 22, 2015 06:50 PM.

13 2

Help Please

Created by Redar Ismail. Latest Post by Redar Ismail, Jan 22, 2015 03:52 PM.

36 4

An exception of type 'System.TimeoutException' occurred i...

Created by amit_ask. Latest Post by Edwin Guru S..., Jan 22, 2015 01:34 PM.

31 1
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