Blog - Title

  • ADO.NET Blog

    Recent ADO.NET Entity Framework provider news - Demos and downloads

    • 11 Comments
    Here are a few quick announcements about ADO.NET providers supporting the Entity Framework. Enjoy! Core Lab (Connectivity to Multiple Data Stores) Core Lab was the first ADO.NET provider writer to support Beta 3 of the Entity Framework. Their...
  • ADO.NET Blog

    Program Manager openings in Data Programmability in 2008

    • 2 Comments
    We’re gearing up for the next release of the SQL Server, and we are looking for people that have a passion for building great data access technologies and frameworks to help with the effort. We have been very busy recently releasing: · Microsoft .NET...
  • ADO.NET Blog

    Entity Framework & ADO.NET Data Services to Ship with VS 2008 SP1 & .NET 3.5 SP1

    • 29 Comments
    It's settled! The Entity Framework (and the Entity Designer) along with ADO.NET Data Services will RTM as part of the Visual Studio 2008 and .NET 3.5 SP1 releases! Unfortunately, we don't have official release dates at this point, but stay tuned. You...
  • ADO.NET Blog

    Connecting to Pre-Release Versions of SQL Server 2008 – Part Deux

    • 1 Comments
    Since posting on the topic of design-time and runtime connectivity to pre-release versions of SQL Server 2008 on the Data blog in November, the set of affected clients (applications, runtimes, and operating systems) have been officially released: Microsoft...
  • ADO.NET Blog

    Update Model From DB

    • 25 Comments
    The “Update Model from Database” feature in the CTP2 of the EDM designer is greatly improved in the next designer release. It now supports iterative development scenarios by adding new database tables and columns to the schema, correctly handling type...
  • ADO.NET Blog

    ADO.NET Entity Framework Performance Comparison

    • 35 Comments
    There have been a few questions from the last performance blog post about how the Entity Framework compares against other object relational mapping frameworks. The simplest way to compare the performance of Entity Framework with various competing products...
  • ADO.NET Blog

    Stored Procedure Mapping

    • 30 Comments
    In this blog post, we’d like to walk through the EDM designer’s support for specifying insert, update, and delete stored procedures for entity types. Each of these stored procedure types has some non-obvious requirements and capabilities and we’d especially...
  • ADO.NET Blog

    Extending Lightweight Transactions in SqlClient

    • 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...
  • ADO.NET Blog

    Cool Entity Framework Sample

    • 2 Comments
    Samir Bajaj, a developer on the ADO.NET Team recently put together a very cool Drawing Editor sample application based on the Entity Framework and backed by SQL Server. The application makes a very compelling demonstration of the Entity Framework offers...
  • ADO.NET Blog

    Coming soon to LINQ to SQL

    • 34 Comments
    LINQ to SQL went gold a few months ago with the release of Visual Studio 2008 and .NET Framework 3.5. It has been somewhat quiet since then – and as we near the launch of Visual Studio 2008, you may be wondering what we have been up to. Things aren...
  • ADO.NET Blog

    Exploring the Performance of the ADO.NET Entity Framework – Part 2

    • 30 Comments
    Query Performance During this post I’ll show a few patterns on how to improve the query performance. A major design element for performance is the query cache. Once a query is executed, parts of the query are maintained in a global cache. Because...
  • ADO.NET Blog

    Exploring the Performance of the ADO.NET Entity Framework - Part 1

    • 33 Comments
    Performance Matters No matter what type of application you are developing at some point in the lifecycle of a software application or service, performance matters; this is especially true when accessing data. In this article, I’m going to spend some...
  • ADO.NET Blog

    ADO.NET performance improvements with the .NET Framework 2.0 SP1

    • 12 Comments
    With the release of Visual Studio 2008 and the .NET Framework 2.0 SP1, there are some bug fixes and improvements in ADO.NET (A list of the general fixes is at http://support.microsoft.com/kb/945757 ) We worked with the CLR team to get improvements...
  • ADO.NET Blog

    Programming LINQ and the ADO.NET Entity Framework Webcast

    • 4 Comments
    Check out our upcoming webcast by Mike Pizzo on LINQ and the Entity Framework. Programming LINQ and the ADO.NET Entity Framework Summary: Language Integrated Query (LINQ) introduces an exciting new way fo applications to build strongly typed queries...
  • ADO.NET Blog

    SampleEdmxCodeGenerator sources

    • 7 Comments
    As a follow up to my previous article on Customizing Code Generation in the ADO.NET Entity Designer , here are the sources and instructions for SampleEdmxCodeGenerator. SampleEdmxCodeGenerator is not intended for production use; instead, it demonstrates...
  • ADO.NET Blog

    Customizing Code Generation in the ADO.NET Entity Designer

    • 6 Comments
    In previous posts, I’ve described CSDL annotations , how to extract CSDL from EDMX and introduced you to how the ADO.NET Entity Designer generates code . In this post, I’ll delve into replacing the EntityModelCodeGenerator with a SingleFileGenerator...
  • ADO.NET Blog

    How does the ADO.NET Entity Designer generate code?

    • 7 Comments
    I’ve had this article pending for a while; numerous folks wanted more information on this topic and I finally got some this weekend and wrote it up for your reading pleasure. The ADO.NET Entity Designer stores all its information in the EDMX file which...
  • ADO.NET Blog

    How to Extract CSDL from EDMX

    • 8 Comments
    The ADO.NET Entity Designer stores all its information in the EDMX file which merely encapsulates the EF metadata artifacts (CSDL/MSL/SSDL content) along with a bunch of designer data in a single file. I’ve described the structure of the EDMX file in...
  • ADO.NET Blog

    Annotations in CSDL

    • 6 Comments
    The CSDL schema supports (what we internally call) annotations . Basically, annotations are XML attributes from a custom XML namespace that are part of your EntityType’s definition. Here’s an example of an EntityType in CSDL with annotations. Notice...
  • ADO.NET Blog

    Happy New Year!

    • 0 Comments
    From the ADO.NET Team
  • ADO.NET Blog

    The ADO.NET Entity Framework - Not Just For SQL Server!

    • 24 Comments
    As you're hopefully aware, Beta 3 of the ADO.NET Entity Framework is already available. If not, see the ADO.NET team blog here . You may not be aware of the various ADO.NET provider writers who are publicly pledging their support for the Entity Framework...
  • ADO.NET Blog

    Sample ADO.NET Entity Framework Provider - Beta 3

    • 6 Comments
    We've updated the sample provider to work with Beta 3 of the ADO.NET Entity Framework. The sample provider is available for download as an attachment to this blog post. The sample provider has undergone some minor changes in moving from Beta 2 to Beta...
  • ADO.NET Blog

    How To: use your existing CSDL/MSL/SSDL files in the Entity Designer CTP2

    • 2 Comments
    Sanjay Nagamangalam, the lead PM for the Entity Designer, has written up a great how-to for using existing EF metadata files in the new CTP2 designer, posted on Danny Simmons' blog.
  • ADO.NET Blog

    Entity Data Model Designer Video - CTP 2

    • 10 Comments
    We have created a new Camtasia video that demonstrates a number of important new features in the Entity Data Model Tools December CTP. First, it is now possible to visually map the insert, update, and delete stored procedures for entity types. Additionally...
  • ADO.NET Blog

    ADO.NET Data Services CTP Released

    • 4 Comments
    The December CTP of ADO.NET Data Services (also known as Project Astoria) has been Released! You can download the CTP here as part of the ASP.NET 3.5 Extensions preview release . For more information on ADO.NET Data Services check out http://blogs...
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