Entity Framework Design

Over the last year we’ve seen a marked increase in traffic on the ADO.NET blog, which has...

Date: 06/05/2012

One of the most highly-requested features for the Entity Framework is first-class support for Enums,...

Date: 08/12/2011

We recently shipped Entity Framework 4.1, and it has been exciting to see the reception the new Code...

Date: 06/29/2011

One of the highly-anticipated features coming in the next version of Entity Framework is Spatial...

Date: 05/12/2011

Pedro Ardila Normal Pedro Ardila 2 5 2011-05-04T21:47:00Z 2011-05-04T21:47:00Z 2 1238 7060 Microsoft...

Date: 05/04/2011

Update: this feature has been postponed and will not be included in Entity Framework 5. Unique...

Date: 03/09/2011

One of the key features coming in the next release of Entity Framework is Table-Valued Function...

Date: 01/21/2011

Back in July we released the latest preview of Code First and we’ve been receiving a lot of...

Date: 10/22/2010

The team has been quietly working on a number of improvements to the entity designer that we would...

Date: 10/11/2010

The information in this post is out of date. Visit msdn.com/data/ef for the latest information on...

Date: 09/08/2010

Background We’ve been hearing a lot of good feedback on the recently released update to the...

Date: 06/21/2010

The latest preview of Code First allows you to describe a model using C# or VB.Net classes. The...

Date: 06/01/2010

The first release of Entity Framework shipped in .NET Framework 3.5 SP1 and Visual Studio 2008....

Date: 04/12/2010

Data annotation attributes were introduced in .NET 3.5 as a way to add validation to classes used by...

Date: 03/30/2010

We recently released an updated version of the POCO template that works with Visual Studio 2010 RC...

Date: 03/10/2010

We’ve come a long way since the last post on Code-Only. So it’s high time for another update. We’ve...

Date: 10/12/2009

As part of the first previews of Code-Only we shared some code to create a database: // Create a...

Date: 10/06/2009

Introduction After completing the WidgetFactory walkthrough, you may be wondering how to convert...

Date: 08/13/2009

Introduction This walkthrough is designed to show you how the new dbml to edmx conversion template...

Date: 08/13/2009

Many customers have asked us how to port a LINQ to SQL application to the Entity Framework. In order...

Date: 08/13/2009

We've been working hard on Code Only since the first preview.In the next release you will be able to...

Date: 08/03/2009

There are currently two ways to get Entity Framework apps up and running, we call these Database...

Date: 06/10/2009

Background One of the biggest pieces of feedback we received from the N-Tier Improvements for Entity...

Date: 03/23/2009

Background A number of months ago we asked whether Foreign Keys (FKs) in Conceptual and Object...

Date: 03/16/2009

When VS 2010 ships it will include some significant improvements to our code generation story for...

Date: 01/22/2009

A while back I wrote a post that introduced the concept of Computed Properties. Since that time...

Date: 01/12/2009

Today the Entity Framework, and more specifically the Entity Data Model, have a limited notion of...

Date: 01/07/2009

Unfortunately in the current version of the Entity Framework, which ships in .NET 3.5 SP1, we don't...

Date: 12/01/2008

The first version of Entity Framework provides convenient ways to load, manipulate and persist...

Date: 11/20/2008

If you are reading this, you have probably heard by now about the so called impedance mismatch...

Date: 10/27/2008

In this post Colin Meek and Diego Vega delve into some enhancements we are planning for LINQ to...

Date: 10/08/2008

One of the most painful omissions from the Entity Framework V1 was Model First, which basically...

Date: 09/10/2008

In V1 of the Entity Framework it is possible to annotate a schema using attributes declared in...

Date: 08/12/2008

Evolving an API to support new requirements, like POCO, while maintaining backward compatibility is...

Date: 08/01/2008

V1 of the Entity Framework allows you to use stored procedures in two main ways: Mapping Create,...

Date: 07/18/2008

Two guys on the team knocked out this quick screencast of some of the prototype work we've been...

Date: 06/24/2008

Here is a raw cut and paste for our POCO 1-Pager. We are currently working through the design and...

Date: 06/24/2008

Today marks the first day of engineering for the ADO.NET Entity Framework V2.0. V2 of the product is...

Date: 06/23/2008