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Monday, June 15, 2009 9:06 AM

Using EFProviderWrappers with precompiled views

One of the users has reported a problem with using EFProviderWrappers and precompiled views together. When you pre-compile views, Entity Framework calculates a hash of metadata (which includes csdl,ssdl and msl information), stores it with the generated
Posted by jkowalski | 1 Comments
Thursday, June 11, 2009 10:29 AM

Tracing and Caching for Entity Framework available on MSDN Code Gallery

We have just released a sample that shows how to extend Entity Framework in interesting ways by plugging into ADO.NET provider interface. The sample provides two extensions: EFTracingProvider – which adds the ability to log all SQL commands that are executed
Posted by jkowalski | 6 Comments
Thursday, May 21, 2009 10:46 AM

Entity Framework samples converted to Visual Basic

We have recently published Visual Basic versions of our MSDN Code Gallery samples for Entity Framework v3.5SP1. The following translated samples are currently available in two languages (C# and VB) ADO.NET Entity Framework Query Samples http://code.msdn.com/EFQuerySamples
Posted by jkowalski | 0 Comments
Monday, March 23, 2009 7:42 PM

New posts on EF Design Blog

I’d like to turn your attention to two blog posts on EF Design Blog about exciting new features planned for Entity Framework: Foreign Key Support – we’re introducing new type of association, which can be manipulated through references OR foreign key values
Posted by jkowalski | 1 Comments
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Thursday, November 20, 2008 9:09 AM

N-Tier Improvements for Entity Framework

We have recently published an article on API changes that we want to make in next version of Entity Framework in order to enable more N-Tier scenarios. Getting this right is very important to us and we're interested in getting as much of your feedback
Posted by jkowalski | 2 Comments
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Friday, October 24, 2008 10:24 AM

Using EF Oracle Sample Provider with EDM Designer

Many people are asking if it is possible to use EFOracleProvider with EDM Designer in Visual Studio 2008 SP1. The answer is yes, but because the sample doesn't include a DDEX provider required for VS integration, there are certain steps that have to be
Posted by jkowalski | 15 Comments
Thursday, September 25, 2008 8:24 PM

EF POCO Adapter updated (v1.03)

I've just posted another round of updates to EF POCO Adapter based on feedback from users. This set of changes is focused on N-tier scenarios and detached entities (it adds missing wrappers for EF APIs and fixes behavior of existing ones). Change log:
Posted by jkowalski | 11 Comments
Saturday, September 13, 2008 4:36 PM

EF POCO Adapter updated (v1.02)

I've just posted updates to EF POCO Adapter (v1.02) which resolves a couple of issues spotted by users: Detached proxies (created by EFPocoContxt.CreateObject<T>) as well as proxies in the Added state were failing on property navigation. This has
Posted by jkowalski | 2 Comments
Tuesday, September 09, 2008 9:24 AM

Persistence Ignorance (POCO) Adapter for Entity Framework V1

One of the limitations of Entity Framework V1 released as part of .NET Framework 3.5 SP1 and Visual Studio 2008 SP1 is lack of support for POCO entity objects. POCO stands for Plain Old CLR Object and refers to an object that does not have any persistence
Posted by jkowalski | 25 Comments
Monday, June 23, 2008 3:54 PM

Sample Entity Framework Provider for Oracle

I wanted to let you know that we have just released Sample Entity Framework Provider for Oracle on MSDN Code Gallery. http://code.msdn.com/EFOracleProvider The provider is implemented using essentially the same technique as EFSampleProvider , but targets
Posted by jkowalski | 8 Comments
Monday, June 02, 2008 10:48 PM

Entity Framework Sample Provider for Visual Studio 2008 SP1 Beta is Online

We have just published an updated Sample ADO.NET Provider for Entity Framework. Changes in the provider APIs since Beta3 release: removed DbProviderServices.GetProviderManifest(DbConnection) added DbProviderServices.GetProviderManifestToken(DbConnection)
Posted by jkowalski | 2 Comments
Wednesday, May 28, 2008 9:11 AM

Transparent Lazy Loading for Entity Framework – part 3 – Anatomy of a Stub

This post is a part of the series that describes EFLazyLoading library. Part 1 - Strategies for implementing lazy loading Part 2 - Implementation of EFLazyLoading Part 3 - Anatomy of a Stub In two previous articles I have introduced EFLazyLoading –
Posted by jkowalski | 7 Comments
Monday, May 12, 2008 1:49 PM

Transparent Lazy Loading for Entity Framework – part 2

This post is a part of the series that describes EFLazyLoading library. Part 1 - Strategies for implementing lazy loading Part 2 - Implementation of EFLazyLoading Part 3 - Anatomy of a Stub As I promised last time , I would like to present the result
Posted by jkowalski | 16 Comments
Monday, May 12, 2008 9:41 AM

Transparent Lazy Loading for Entity Framework – part 1

This post is a part of the series that describes EFLazyLoading library. Part 1 - Strategies for implementing lazy loading Part 2 - Implementation of EFLazyLoading Part 3 - Anatomy of a Stub The first release of Entity Framework supports explicit loading.
Posted by jkowalski | 18 Comments
Monday, March 24, 2008 1:09 PM

Tips and Tricks for Debugging your Entity Framework Provider

Here are some tips that may be helpful when developing and testing a data provider that supports Entity Framework: Tip #1 Validating SchemaInformation SSDL and MSL using EdmGen.exe When developing an Entity Framework provider, one of the biggest tasks
Posted by jkowalski | 3 Comments
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