ADO.NET Blog
The official source of information on Managed Providers, DataSet & Entity Framework from Microsoft
Migrating from LINQ to SQL to Entity Framework: Deferred Loading
Last week, we covered Eager Loading and how to migrate LINQ to SQL based code that took advantage of...
Author: dpblogs Date: 10/16/2008
Npgsql's ADO.NET Provider for PostgreSQL Supports the ADO.NET Entity Framework!
I always enjoy making announcements regarding external providers releasing their Entity...
Author: dpblogs Date: 10/14/2008
Migrating from LINQ to SQL to Entity Framework: Eager Loading
Since the release of the Entity Framework, we have received a number of requests for details and...
Author: dpblogs Date: 10/08/2008
PDC 2008 - Los Angeles, CA - Oct. 27-30
Microsoft's premier developer event, the Professional Developer Conference, is almost here. PDC 2008...
Author: dpblogs Date: 09/11/2008
SQLite's ADO.NET Provider Supports the ADO.NET Entity Framework!
I spoke too soon, or actually a little too late. Robert Simpson at Phoenix Software Solutions...
Author: dpblogs Date: 09/06/2008
Devart's New Providers Support the ADO.NET Entity Framework!
It is my pleasure to announce the first (to the best of my knowledge) external providers to support...
Author: dpblogs Date: 09/05/2008
Introducing Table-Valued Parameters - Part 1
Hey everyone! I am Himanshu. I am a program manager in the ADO.Net team. Today I am going to talk...
Author: dpblogs Date: 08/15/2008
Entity Framework RTM Breaking Changes
There were a number of changes to the Entity Framework and the designer between Visual Studio 2008...
Author: dpblogs Date: 08/12/2008
Updated Entity Framework Samples for RTM
We have just updated a number of Entity Framework samples, including two sample providers, to work...
Author: dpblogs Date: 08/12/2008
What's new in the VS 2008 SP1?
Visual Studio 2008 SP1 introduces significant new functionality as ADO.NET expands and evolves to...
Author: dpblogs Date: 08/11/2008
Third Party Provider Support for the Entity Framework RTM
Today we announced the release of the ADO.NET Entity Framework and ADO.NET Data Services in the...
Author: dpblogs Date: 08/11/2008
RTM is Finally Here!
The Entity Framework and the Entity Designer have Released! Today marks the official RTM of Visual...
Author: dpblogs Date: 08/11/2008
Update Model – a Question of Identity – Part 2 of 3
This article is Part 2 of 3 – please see...
Author: dpblogs Date: 07/22/2008
Update Model – a Question of Identity – Part 1 of 3
I propose to explain the reason behind some of the oddities of the “Update Model from...
Author: dpblogs Date: 07/21/2008
EDM Tools | Options (Part 4 of 4)
IntroductionIn parts one, two and three of this four-part series, we discussed the file differences...
Author: dpblogs Date: 07/14/2008
EDM Tools | Options (Part 3 of 4)
Introduction In parts one and two of this four-part series, we discussed the file differences...
Author: dpblogs Date: 06/26/2008
New sample provider demonstrates Oracle connectivity
As noted on Jaroslaw Kowalski's blog, we have released a new flavor of the ADO.NET Entity Framework...
Author: dpblogs Date: 06/24/2008
Entity Framework V2 - Transparency in the design process
Today marks the first day of engineering for the ADO.NET Entity Framework V2.0, and the team has...
Author: dpblogs Date: 06/23/2008
EDM Tools | Options (Part 2 of 4)
Introduction In part one of this series, we looked at our motivation for the series, and we...
Author: dpblogs Date: 06/20/2008
EDM Tools | Options (Part 1 of 4)
Introduction The Entity Data Model (EDM) Tools team has done a lot of work to enable a productive...
Author: dpblogs Date: 06/20/2008
How to use a T4 template for View Generation
Background To set the stage for this article, do take a look at Exploring the Performance of the...
Author: dpblogs Date: 06/20/2008
Tutorial: Entity Data Source Control
Last month we announced the beta release of Service Pack 1 for Visual Studio 2008. This release...
Author: dpblogs Date: 06/18/2008
Entity Framework Provider Updates
Greetings from TechEd! We've updated the ADO.NET Entity Framework Sample Provider for .NET 3.5 SP1...
Author: dpblogs Date: 06/05/2008
Updated Entity Framework Samples
Looking for Entity Framework Samples that work with VS2008 SP1 Beta? You can check out our New and...
Author: dpblogs Date: 05/27/2008
Going to TechEd? Drop by and say Hi!
Are you going to be at TechEd Developer in Orlando June 3rd - 6th? Stop by and say Hi to the ADO.NET...
Author: dpblogs Date: 05/23/2008
How Referential Integrity Works
Referential integrity is a database constraint that ensures consistency between coupled tables....
Author: Elisa Flasko - MSFT Date: 05/22/2008
How does Referential Integrity Work?
This article talks about details of EF’s support for referential integrity constraints. It...
Author: Elisa Flasko - MSFT Date: 05/22/2008
How Do I... ? New Entity Framework Videos
Looking for a brief introduction to the Entity Framework? The Entity Data Source? Check out our...
Author: dpblogs Date: 05/20/2008
Entity Framework Breaking Changes - Visual Studio 2008 & .NET 3.5 SP1 Beta
For the release of SP1 Beta, several breaking changes were made to the Entity Framework. Below is a...
Author: Elisa Flasko - MSFT Date: 05/14/2008
Entity Framework Breaking Changes - SP1 Beta
There were a number of changes to the Entity Framework between Beta 3 and the Visual Studio 2008 SP1...
Author: dpblogs Date: 05/14/2008
Can't find the Entity Data Source?
If you upgrade the RTM version of Visual Studio 2008 with the SP1 service pack distribution, the...
Author: dpblogs Date: 05/14/2008
What's New in the SP1 Beta for LINQ to SQL?
Monday we announced the availability of the Visual Studio 2008 and .NET Framework SP1 Beta releases,...
Author: dpblogs Date: 05/14/2008
What's New in the SP1 Beta?
This morning we announced the availability of the Visual Studio 2008 and .NET Framework SP1 Beta...
Author: dpblogs Date: 05/13/2008
Visual Studio 2008 SP1 Beta & .NET 3.5 SP1 Beta
We are very excited to announce that .NET 3.5 SP1 Beta 1 and Visual Studio 2008 SP1 Beta 1 are now...
Author: dpblogs Date: 05/12/2008
Recent ADO.NET Entity Framework provider news - Demos and downloads
Here are a few quick announcements about ADO.NET providers supporting the Entity Framework. Enjoy!...
Author: dpblogs Date: 05/07/2008
Program Manager openings in Data Programmability in 2008
We’re gearing up for the next release of the SQL Server, and we are looking for people that...
Author: dpblogs Date: 04/16/2008
Entity Framework & ADO.NET Data Services to Ship with VS 2008 SP1 & .NET 3.5 SP1
It's settled! The Entity Framework (and the Entity Designer) along with ADO.NET Data Services will...
Author: dpblogs Date: 04/09/2008
Connecting to Pre-Release Versions of SQL Server 2008 – Part Deux
Since posting on the topic of design-time and runtime connectivity to pre-release versions of SQL...
Author: dpblogs Date: 04/07/2008
Update Model From DB
The “Update Model from Database” feature in the CTP2 of the EDM designer is greatly improved in the...
Author: dpblogs Date: 04/01/2008
ADO.NET Entity Framework Performance Comparison
There have been a few questions from the last performance blog post about how the Entity Framework...
Author: dpblogs Date: 03/27/2008
Stored Procedure Mapping
In this blog post, we’d like to walk through the EDM designer’s support for specifying insert,...
Author: dpblogs Date: 03/26/2008
Extending Lightweight Transactions in SqlClient
We’ve done some work with SqlClient’s System.Transaction support for Sql Server 2008. To...
Author: MSDN Archive Date: 03/25/2008
Cool Entity Framework Sample
Samir Bajaj, a developer on the ADO.NET Team recently put together a very cool Drawing Editor sample...
Author: dpblogs Date: 03/14/2008
Coming soon to LINQ to SQL
LINQ to SQL went gold a few months ago with the release of Visual Studio 2008 and .NET Framework...
Author: dpblogs Date: 02/21/2008
Exploring the Performance of the ADO.NET Entity Framework – Part 2
Query Performance During this post I’ll show a few patterns on how to improve the query...
Author: dpblogs Date: 02/11/2008
Exploring the Performance of the ADO.NET Entity Framework - Part 1
Performance Matters No matter what type of application you are developing at some point in the...
Author: dpblogs Date: 02/04/2008
ADO.NET performance improvements with the .NET Framework 2.0 SP1
With the release of Visual Studio 2008 and the .NET Framework 2.0 SP1, there are some bug fixes and...
Author: dpblogs Date: 01/28/2008
Programming LINQ and the ADO.NET Entity Framework Webcast
Check out our upcoming webcast by Mike Pizzo on LINQ and the Entity Framework. Programming LINQ and...
Author: dpblogs Date: 01/28/2008
SampleEdmxCodeGenerator sources
As a follow up to my previous article on Customizing Code Generation in the ADO.NET Entity Designer,...
Author: dpblogs Date: 01/24/2008
Customizing Code Generation in the ADO.NET Entity Designer
In previous posts, I’ve described CSDL annotations, how to extract CSDL from EDMX and...
Author: dpblogs Date: 01/24/2008