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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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Validation failed for one or more entities. See 'EntityVa...

Created by Fahad-malik. Latest Post by Fahad-malik, 57 minutes ago.

6 0

Joining tables from two databases inside the same server...

Created by johnjohn1231.... Latest Post by Kevin Shen -..., 1 hour, 29 minutes ago.

50 7

Need help with LINQ statement for GroupBy and Select

Created by comicrage. Latest Post by smirnov, 1 hour, 36 minutes ago.

13 2

Select Statement returns 3 rows even though I specify a w...

Created by Harrison.Sco.... Latest Post by raju dasa, 1 hour, 39 minutes ago.

8 1

An exception of type 'System.Data.Entity.ModelConfigurati...

Created by sukumarchall.... Latest Post by Kevin Shen -..., 3 hours, 20 minutes ago.

22 3

The mapping of CLR type to EDM type is ambiguous because...

Created by ivan.petrovi.... Latest Post by ivan.petrovi..., 3 hours, 51 minutes ago.

74 4

Setting Foreign Key value only - Code First Approach + La...

Created by superjose. Latest Post by Kevin Shen -..., 5 hours, 25 minutes ago.

20 2

Unit Testing with IdentityDbContext as an Interface. (MVC...

Created by superjose. Latest Post by superjose, 5 hours, 46 minutes ago.

56 5

Swap Entity Definitions at Build/Runtime?

Created by dl0haus. Latest Post by Kevin Shen -..., 7 hours ago.

17 1

How to get Number of new users per day to DotNet.HighChar...

Created by 7rippl3m. Latest Post by smirnov, 16 hours, 56 minutes ago.

16 1

Reformatting Data from SQL Server

Created by kmcnet. Latest Post by kmcnet, 18 hours, 16 minutes ago.

22 2

VS 2009 VS 2012 Date converstion

Created by saffy. Latest Post by Rion William..., 19 hours, 18 minutes ago.

66 15

LINQ and wildcards

Created by briankitt. Latest Post by Kevin Shen -..., 23 hours, 2 minutes ago.

17 1

LINQ Visualizer

Created by briankitt. Latest Post by Kevin Shen -..., Oct 22, 2014 08:31 AM.

12 1

take value from a tolist query and apply it to another qu...

Created by romeo407. Latest Post by Kevin Shen -..., Oct 22, 2014 05:55 AM.

15 2

Correct place to put the context inside solution.

Created by Harrison.Sco.... Latest Post by raju dasa, Oct 22, 2014 05:46 AM.

9 1

Error converting data type varchar to float

Created by Kothapally. Latest Post by smirnov, Oct 21, 2014 11:02 AM.

106 24

Linq Error - "Object reference not set..." when filter is...

Created by CrashBurn22. Latest Post by Kevin Shen -..., Oct 21, 2014 01:36 AM.

19 1

How to extract value from a tolist and compare

Created by romeo407. Latest Post by romeo407, Oct 20, 2014 03:53 PM.

37 2

data show does not match that appear in the table

Created by rosadi90. Latest Post by sw-ing, Oct 20, 2014 09:20 AM.

48 3
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