Blog - Title

  • ADO.NET Blog

    EDM Wizard and Designer Featured in VSLive! San Francisco Keynote

    • 12 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...
  • ADO.NET Blog

    ADO.NET Orcas: Sample Provider

    • 8 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...
  • ADO.NET Blog

    Inheritance in the Entity Framework

    • 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...
  • ADO.NET Blog

    101 LINQ Samples Updated

    • 4 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...
  • ADO.NET Blog

    Using Stored Procedures for Change Processing in the ADO.NET Entity Framework

    • 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...
  • 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

    Object Services – Write less code

    • 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...
  • ADO.NET Blog

    RSS Feeds with ADO.NET Entity Framework and the ASP.NET RSS Toolkit

    • 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...
  • ADO.NET Blog

    Mapping 101: Part 1

    • 7 Comments
    Now that you’re getting accustomed to the Entity Framework and Entity Data Model ( Entity Data Model 101: Part 1 and Entity Data Model 101: Part 2 ), we’ll now take a look at the Object Relational Mapping (ORM) characteristics of the Entity Framework...
  • ADO.NET Blog

    Entity Client

    • 12 Comments
    With the next release of the .NET Framework, ADO.NET will introduce a new member of the family of data providers – EntityClient . The mission of EntityClient is to provide a gateway for entity-level queries . Through EntityClient one queries against a...
  • ADO.NET Blog

    Nulls - LINQ to DataSets Part 3

    • 21 Comments
    In previous posts I have spent time talking about LINQ to DataSet, and how it can help you write better code, and how you can write some very interesting queries with DataSet. Today I am going to talk more about nulls, which is one of the areas in...
  • ADO.NET Blog

    Entity Data Model 101 - Part 2

    • 29 Comments
    Entity Containers In part one of this article we looked at declarations of entity and association types in conceptual schema definition language (CSDL). Now we have to be specific about where instances of those types are stored, which we refer to as...
  • ADO.NET Blog

    Type safety - LINQ to DataSets Part 2

    • 18 Comments
    Back in the first post of this LINQ to DataSet series, I spent some time talking about what LINQ to DataSet is, and how it can be used to supplement the existing query capabilities in terms of what kind of queries you can write. Today, I will talk about...
  • ADO.NET Blog

    Entity Data Model 101: Part 1

    • 26 Comments
    Most developers are familiar with the Object/Relational Mapping (ORM) problem: databases use the abstraction of rows in tables, but application programs use the abstraction of classes and objects. Existing ORM frameworks tend to address this mismatch...
  • ADO.NET Blog

    Querying DataSets – Introduction to LINQ to DataSet

    • 18 Comments
    Greetings fellow data junkies! My name is Erick Thompson, a PM at Microsoft who is working on driving ADO.NET forward to utilize the latest and best technology that we have coming down the pipe. In that context, I am excited to tell you about LINQ to...
  • ADO.NET Blog

    Event: ADO.NET Provider Writer Tech Preview, February 6 - 8, 2007

    • 35 Comments
    What: The ADO.NET Provider Writer Tech Preview is an opportunity for ADO.NET provider writers to : - Gain an in-depth understanding of the features planned for the next major release of ADO.NET - Work with an early version of the upcoming community...
  • ADO.NET Blog

    ADO.NET Orcas and Samples

    • 12 Comments
    I hope you guys enjoyed the August CTP of ADO.NET vNext. As we make progress on the Orcas release of Visual Studio, the various teams –including ourselves- are working hard at integrating everything in a single product, Visual Studio Orcas. For the ADO...
  • ADO.NET Blog

    LOB Performance in SqlDataReader.

    • 4 Comments
    I've been answering a few questions here and there about performance for pulling LOB data out of a SqlDataReader and figured a discussion of what's going on behind the scenes may be useful. This analysis is based primarily on the number of copies and...
  • ADO.NET Blog

    ADO.NET vNext: Entity Data Model (EDM) Designer Prototype

    • 18 Comments
    Folks, To aid brainstorming and to better understand typical developer scenarios, the ADO.NET team created an internal prototype of a designer to let developers model the ADO.NET vNext “Conceptual” layer. If you recall, Pablo Castro demoed this...
  • ADO.NET Blog

    Entity Mapping in ADO.NET vNext

    • 14 Comments
    Hi folks, My name is Atul Adya and I am a software architect in the ADO.NET team. After working on persistent object stores, object caching, distributed file systems, and diagnostics in wireless networking, I have been spending time on a very important...
  • ADO.NET Blog

    Friday Goodness

    • 16 Comments
    A little bonus for folks to play with over the long US weekend: XML Notepad is out! Congrats to Chris & Michael & friends.
  • ADO.NET Blog

    ADO.NET vNext Provider Writer Event Summary

    • 7 Comments
    The ADO.NET team recently held an event for ADO.NET provider writers. Representatives from DataDirect, IBM, MySQL, SQLite and Sybase converged on Microsoft headquarters in Redmond to attend the three day event. The goal for the event was to help provider...
  • ADO.NET Blog

    Queries in ADO.NET vNext

    • 21 Comments
    Hi folks, There’s been a lot of interest in the ADO.NET CTP that we posted a few days back, and lots of questions about the internal details. I wanted to briefly describe how we handle queries in the ADO.NET CTP – and hopefully address some of your...
  • 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

    ADO.NET 2.0 on-demand webcasts

    • 2 Comments
    ADO.NET 2.0 related on-demand webcasts I've fished out of the Microsoft Events database for you. They are fresh - most of these were recorded in 2006: Integrated Innovation: Using ADO.NET 2.0 with SQL Server 2005 (Level 300) ADO.NET and SQL Web...
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