Entity Framework Design
Entity Framework Design Blog Retired
Over the last year we’ve seen a marked increase in traffic on the ADO.NET blog, which has...
Date: 06/05/2012
Enums in the Entity Designer
One of the most highly-requested features for the Entity Framework is first-class support for Enums,...
Date: 08/12/2011
Enumeration Support in Entity Framework
We recently shipped Entity Framework 4.1, and it has been exciting to see the reception the new Code...
Date: 06/29/2011
Spatial Types in the Entity Designer
One of the highly-anticipated features coming in the next version of Entity Framework is Spatial...
Date: 05/12/2011
Spatial Types in the Entity Framework
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
Unique Constraints in the Entity Framework
Update: this feature has been postponed and will not be included in Entity Framework 5. Unique...
Date: 03/09/2011
Table-Valued Function Support
One of the key features coming in the next release of Entity Framework is Table-Valued Function...
Date: 01/21/2011
Code First Database Evolution (aka Migrations)
Back in July we released the latest preview of Code First and we’ve been receiving a lot of...
Date: 10/22/2010
Entity Designer Improvements Preview
The team has been quietly working on a number of improvements to the entity designer that we would...
Date: 10/11/2010
Data Binding with DbContext
The information in this post is out of date. Visit msdn.com/data/ef for the latest information on...
Date: 09/08/2010
Productivity Improvements for the Entity Framework
Background We’ve been hearing a lot of good feedback on the recently released update to the...
Date: 06/21/2010
Conventions for Code First
The latest preview of Code First allows you to describe a model using C# or VB.Net classes. The...
Date: 06/01/2010
Announcing the release of Entity Framework 4
The first release of Entity Framework shipped in .NET Framework 3.5 SP1 and Visual Studio 2008....
Date: 04/12/2010
Data Annotations in the Entity Framework and Code First
Data annotation attributes were introduced in .NET 3.5 as a way to add validation to classes used by...
Date: 03/30/2010
POCO Template Code Generation Options
We recently released an updated version of the POCO template that works with Visual Studio 2010 RC...
Date: 03/10/2010
Code Only – Further Enhancements
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
Extending the Entity Framework Provider Model to support DDL
As part of the first previews of Code-Only we shared some code to create a database: // Create a...
Date: 10/06/2009
Custom CUD Walkthrough for LINQ to SQL to Entity Framework Metadata Conversion Template
Introduction After completing the WidgetFactory walkthrough, you may be wondering how to convert...
Date: 08/13/2009
Widget Factory Walkthrough for the LINQ to SQL to Entity Framework Metadata Conversion Template
Introduction This walkthrough is designed to show you how the new dbml to edmx conversion template...
Date: 08/13/2009
LINQ to SQL to Entity Framework conversion template
Many customers have asked us how to port a LINQ to SQL application to the Entity Framework. In order...
Date: 08/13/2009
Code Only Enhancements
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
Code Only
There are currently two ways to get Entity Framework apps up and running, we call these Database...
Date: 06/10/2009
Self-Tracking Entities in the Entity Framework
Background One of the biggest pieces of feedback we received from the N-Tier Improvements for Entity...
Date: 03/23/2009
Foreign Keys in the Entity Framework
Background A number of months ago we asked whether Foreign Keys (FKs) in Conceptual and Object...
Date: 03/16/2009
Customizing Entity Classes in VS 2010
When VS 2010 ships it will include some significant improvements to our code generation story for...
Date: 01/22/2009
Update on Computed Properties
A while back I wrote a post that introduced the concept of Computed Properties. Since that time...
Date: 01/12/2009
Model Defined Functions
Today the Entity Framework, and more specifically the Entity Data Model, have a limited notion of...
Date: 01/07/2009
Pluralization
Unfortunately in the current version of the Entity Framework, which ships in .NET 3.5 SP1, we don't...
Date: 12/01/2008
N-Tier Improvements for Entity Framework
The first version of Entity Framework provides convenient ways to load, manipulate and persist...
Date: 11/20/2008
Foreign Keys in the Conceptual and Object Models
If you are reading this, you have probably heard by now about the so called impedance mismatch...
Date: 10/27/2008
EDM and Store functions exposed in LINQ
In this post Colin Meek and Diego Vega delve into some enhancements we are planning for LINQ to...
Date: 10/08/2008
Model First
One of the most painful omissions from the Entity Framework V1 was Model First, which basically...
Date: 09/10/2008
Structural Annotations - One Pager
In V1 of the Entity Framework it is possible to annotate a schema using attributes declared in...
Date: 08/12/2008
Discussion about API changes necessary for POCO:
Evolving an API to support new requirements, like POCO, while maintaining backward compatibility is...
Date: 08/01/2008
Using Stored Procedures to load structured data.
V1 of the Entity Framework allows you to use stored procedures in two main ways: Mapping Create,...
Date: 07/18/2008
Initial POCO Design Screencast
Two guys on the team knocked out this quick screencast of some of the prototype work we've been...
Date: 06/24/2008
Initial POCO Design 1-Pager
Here is a raw cut and paste for our POCO 1-Pager. We are currently working through the design and...
Date: 06/24/2008
Transparency in the design process
Today marks the first day of engineering for the ADO.NET Entity Framework V2.0. V2 of the product is...
Date: 06/23/2008