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Extending Lightweight Transactions in SqlClient
26 March 08 03:43 AM | alazela | 12 Comments   
We’ve done some work with SqlClient’s System.Transaction support for Sql Server 2008. To explain what we did, and why, I’m going setup some background first, which may also be useful for understanding the existing behavior. System.Transactions offers Read More...
ADO.NET at the Advisor Summit
16 May 07 12:53 PM | dpblogs | 1 Comments   
Last week at the Advisor Summit conference I gave a talk introducing new LINQ functionality being introduced in the Orcas timeframe (and beyond). As you probably know if you've been reading this blog regularly, LINQ functionality will begin to ship as Read More...
ADO.NET Entity Framework Update
28 April 07 10:09 PM | dpblogs | 60 Comments   
Microsoft is deepening its investment in the ADO.NET Entity Framework as a critical piece of Microsoft’s Data Platform vision. Based on the need to align with requirements from key internal partners that are building on the Entity Framework, along with Read More...
Entity Framework Orcas Beta 1 - EDM Wizard Fixed
26 April 07 04:33 PM | dpblogs | 10 Comments   
Late last week, after bits had been finalized, we found a bug in the ADO.NET Entity Data Model Wizard that shipped with Visual Studio “Orcas” beta 1. The problem has now been corrected. Please download and install the patch available at: http://www.microsoft.com/downloads/details.aspx?FamilyID=f69e9eb8-0ebd-4fba-a4cc-2050297ba75b&displaylang=en Read More...
ADO.NET Entity Framework - Orcas Beta 1
20 April 07 06:02 PM | dpblogs | 31 Comments   
What else do you need to know about the Entity Framework? We've documented basic syntax and provided a few samples. How can we improve the documentation? Send us scenarios you want to implement. Orcas Beta 1 contains the ADO.NET Entity Framework. This Read More...
Orcas Beta 1 - Now Available
20 April 07 05:59 PM | dpblogs | 1 Comments   
Orcas Beta 1 is available for download! Check out the Visual Studio Downloads page for more info. Read More...
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.NET Rocks with the ADO.NET Team!
05 April 07 01:49 PM | dpblogs | 2 Comments   
Daniel Simmons, ADO.NET Dev Lead, recently sat down with Carl Franklin and Richard Campbell of .NET Rocks to talk in depth about the new ADO.NET Entity Framework. Check out Show #226 and learn more about Microsoft's vision for the Entity Framework long-term Read More...
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EDM Wizard and Designer Featured in VSLive! San Francisco Keynote
27 March 07 08:42 PM | dpblogs | 11 Comments   
Britt Johnston, Director, Data Programmability at Microsoft gave a Keynote speech this morning at VSLive in San Francisco. In his presentation, Britt spoke largely about the idea of Conceptual Data Programming and Microsoft's vision for Data Access: raising Read More...
ADO.NET Orcas: Sample Provider
16 March 07 04:19 PM | dpblogs | 6 Comments   
Last month, the ADO.NET team hosted a number of ADO.NET Data Provider writers on campus to present information on how to enhance an existing provider to support the Entity Framework features in the upcoming Orcas release. To help provider writers who Read More...
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Inheritance in the Entity Framework
15 March 07 09:00 AM | dpblogs | 24 Comments   
One of the coolest features of the ADO.NET Entity Framework is the ability to use inheritance in your database! Very cool, but what does it mean, and why is it important? War of the worlds Relational The world of relational data is based around tuples, Read More...
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101 LINQ Samples Updated
13 March 07 02:15 PM | dpblogs | 3 Comments   
The 101 LINQ Samples that were included in the March CTP have now been updated to include the 101 LINQ to Entities Samples. To check out the newest samples (updated April 17th) download from here . Cheers, Elisa Johnson Data Programmability Community Read More...
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Using Stored Procedures for Change Processing in the ADO.NET Entity Framework
08 March 07 05:31 PM | dpblogs | 15 Comments   
Most people who’ve played with the ADO.NET Entity Framework eventually ask whether they can replace the SQL statements it generates with stored procedures of their own. This is important in many applications because direct table access is not allowed. Read More...
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LINQ - XElement and Entities
06 March 07 09:58 AM | dpblogs | 349 Comments   
With LINQ we get a common data programming experience across multiple data sources. We can query in-memory collections, relational tables and XML. The other day I was looking at the various LINQ-XML examples and thought to myself that I would like to Read More...
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Object Services – Write less code
01 March 07 06:35 PM | elisaj | 26 Comments   
One of the main features of the Entity Framework revolves around Object Services. The main points of Object services are to write less code and allow programmers to program against objects to access the data that’s stored in a database or possibly anywhere. Read More...
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RSS Feeds with ADO.NET Entity Framework and the ASP.NET RSS Toolkit
28 February 07 01:17 PM | elisaj | 1 Comments   
The ASP.NET team has released the RSS toolkit beta on sandbox.asp.net . This led me to want to tinker with exposing some RSS feeds using ADO.NET Entity Framework to retrieve the data. I pulled the toolkit and within 10 minutes had my first couple of feeds Read More...
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