Blog - Title

  • ADO.NET Blog

    LINQ - XElement and Entities

    • 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...
  • ADO.NET Blog

    Update on LINQ to SQL and LINQ to Entities Roadmap

    • 213 Comments
    Since the release of LINQ to SQL and the Entity Framework, many questions have been raised about the future plans for the technologies and how they will relate to each other long term. During this week of PDC we are now at a point, with the announcement...
  • ADO.NET Blog

    EF7 - What Does “Code First Only” Really Mean

    • 158 Comments
    A while back we blogged about our plans to make EF7 a lightweight and extensible version of EF that enables new platforms and new data stores. We also talked about our EF7 plans in the Entity Framework session at TechEd North America . Prior to EF7 there...
  • ADO.NET Blog

    Announcing: The ADO.NET vNext August CTP

    • 132 Comments
    A couple of months ago we committed to shipping a very early technology preview of the ADO.NET Entity Framework and the LINQ integration in ADO.NET, and we said we were "shooting for August". Well, here is it, with a whole 2 weeks to go before August...
  • ADO.NET Blog

    EF7 - New Platforms, New Data Stores

    • 128 Comments
    At TechEd North America we were excited to announce our plans for EF7, and even demo some very early features. This post will cover the announcements we made during the session. You can also watch the recorded session from TechEd (the EF7 content starts...
  • ADO.NET Blog

    System.Data.OracleClient Update

    • 121 Comments
    As a part of formulating our long term strategy for ADO.NET, we have had several discussions with number of our customers, internal and external partners, and MVPs to better align our development efforts to ensure we are delivering the right technologies...
  • ADO.NET Blog

    EF4.3.1 and EF5 Beta 1 Available on NuGet

    • 105 Comments
      The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF.   Today we are pleased to announce the release of two new versions of the EntityFramework NuGet package. The...
  • ADO.NET Blog

    EF 4.3 Code-Based Migrations Walkthrough

    • 104 Comments
      The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF. For Code First Migrations see http://msdn.com/data/jj591621   We have released the first go-live release of...
  • ADO.NET Blog

    Clarifying the message on L2S Futures.

    • 102 Comments
    There has been a variety of responses to the post on L2S futures in the last couple of days. Let me start by saying sorry for the radio silence since the post but, as Elisa mentioned,  we posted it while at PDC and were focusing on the interactions...
  • ADO.NET Blog

    EF Feature CTP5 Released!

    • 99 Comments
      The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF.   The latest Entity Framework Feature Community Technology Preview (CTP5) is now available for download . This...
  • ADO.NET Blog

    EF5 Release Candidate Available on NuGet

    • 98 Comments
      The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF.   A couple of months ago we released EF5 Beta 2. Since releasing Beta 2 we have made a number of changes to...
  • ADO.NET Blog

    Sneak Preview: Entity Framework 5.0 Performance Improvements

    • 97 Comments
    An O/RM, like any layer of abstraction, introduces overhead to data access. In EF 5.0 we have taken steps to reduce this overhead and improve performance. As a result in one of our tests, repeat execution time of the same LINQ query has been reduced by...
  • ADO.NET Blog

    EF7 – v1 or v7?

    • 90 Comments
    A while ago we blogged about EF7 targeting new platforms and new data stores . In that post we shared that our EF6.x code base wasn’t setup to achieve what we wanted to in EF7, and that EF7 would be a “lightweight and extensible version of...
  • ADO.NET Blog

    ADO.NET vNext: The Entity Framework, LINQ and more

    • 83 Comments
    (this post was originally posted here ) Once you are done with shipping large products such as SQL Server 2005 and Visual Studio 2005 you’d expect to have a quiet time for a while, slow down a bit, that kind of stuff… Turns out that it wasn’t the...
  • ADO.NET Blog

    EF5 Released

    • 82 Comments
    We are very pleased to announce the release of Entity Framework 5. EF5 is available as the Entity Framework NuGet package and is also included in Visual Studio 2012 .   What’s New in EF5 EF 5 includes a number of new features and bug fixes to the...
  • ADO.NET Blog

    EF 4.3 Released

    • 81 Comments
      The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF.   Over the last six months we’ve released a series of previews of our Code First Migrations work. Today we are...
  • ADO.NET Blog

    Entity Framework Beta 2 & the 1st Entity Framework Tools CTP Released!

    • 78 Comments
    The long awaited Entity Framework Beta 2 and the accompanying Entity Framework Tools CTP have been released! Beta 2 of the Entity Framework includes many great improvements and added features since the last release of the June CTP, including: ...
  • ADO.NET Blog

    EF6 RTM Available

    • 76 Comments
    Today we are pleased to announce the RTM of Entity Framework 6. The RTM of Visual Studio 2013 was also released today – you can read more about this release on Soma’s blog . Be sure to save the date for Visual Studio 2013 Launch on Nov 13th...
  • ADO.NET Blog

    EF7 - Priorities, Focus, and Initial Release

    • 71 Comments
    We all know, you don’t get to write software in a vacuum. Aside from the technical task we are trying to achieve there are things such as dependencies, stakeholders, release dates, etc. that impact the order and priority of tasks we do. In this post we...
  • ADO.NET Blog

    POCO in the Entity Framework 4: Part 1 - The Experience

    • 70 Comments
    The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF. Last week I mentioned in the sneak preview on POCO that support for POCO entities is one of the new capabilities...
  • ADO.NET Blog

    EF Feature CTP5: Fluent API Samples

    • 68 Comments
      The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF. For Mapping with the Fluent API see http://msdn.com/data/jj591617 For Configuring Relationships with the Fluent API...
  • ADO.NET Blog

    ADO.NET Entity Framework Update

    • 63 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...
  • ADO.NET Blog

    DataSet and Silverlight

    • 62 Comments
    I’ve been asked a few times lately whether DataSet is or will be supported in Silverlight, so I thought I’d post the answer here. There are no plans to add DataSet into future releases of Silverlight. However we are investigating work to bridge existing...
  • ADO.NET Blog

    Announcing the Microsoft Entity Framework June 2011 CTP

    • 60 Comments
      The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF. If you have previously installed this preview, please follow the uninstall instructions detailed below . We are excited...
  • ADO.NET Blog

    EF Power Tools Beta 2 Available

    • 59 Comments
      The information in this post is out of date. Visit msdn.com/data/ef for the latest information on current and past releases of EF. For EF Power Tools see http://msdn.com/data/jj593170   The Entity Framework Power Tools provide additional design...
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