Posts
  • OData Team

    WCF Data Services 5.1.0-rc Prerelease

    • 5 Comments
    Less than two weeks ago, we released WCF Data Services 5.0.0 . Today, we are releasing 5.1.0-rc as a NuGet prerelease. What is in the prerelease This prerelease contains several bug fixes: WCF Data Services fails to work properly with the $expand query...
  • OData Team

    WCF Data Services 5.2.0-rc1 Prerelease

    • 4 Comments
    A couple of days ago we posted a new set of NuGet packages and today we posted a new tools installer for WCF Data Services 5.2.0-rc1. This prerelease integrates the UriParser from ODataLib Contrib and fixes a few bugs. What is in the prerelease This prerelease...
  • OData Team

    Enabling X-Domain access to your Data Services

    • 0 Comments
    In the Astoria V1.5 CTP2 release, we introduced support for X-Domain and Out Of Browser access to Data Services in our Silverlight client library. This blog post talks about how to enable Cross-Domain access to Data Services from the Silverlight client...
  • OData Team

    The Open Data Protocol .NET Framework Client Library – Source Code Available for Download

    • 0 Comments
    We are happy to announce that we have made the source code for the .NET Framework 3.5 SP1 and Silverlight 3.0 Open Data Protocol (OData) client libraries available for download on the Codeplex website. This release represents the OData team’s continued...
  • OData Team

    Fixing 400 - Bad Request replies from ASP.NET when using ADO.NET Data Services

    • 1 Comments
    Marcelo has a nice post detailing how to deal with a couple common cases that can cause 400 responses from a data service. Check it out here: http://blogs.msdn.com/marcelolr/archive/2008/04/01/fixing-400-bad-request-replies-from-asp-net-when-using-ado...
  • OData Team

    Securing Data Services

    • 7 Comments
    We have received a lot of questions lately about how to authenticate calls to an ADO.NET Data Service. Mike Taulty has created a nice post outlining some of the options for authenticating calls to data services. Check it out here: http://mtaulty.com/CommunityServer...
  • OData Team

    Astoria data sources and system layering

    • 12 Comments
    The question is: what data sources should Astoria support as inputs? Should we allow ADO.NET Entity Framework only or open up more? If we open up more, how does the system need to be layered to enable the use of those alternate data sources? Let me step...
  • OData Team

    Compatibility heads-up: prototype != production code

    • 74 Comments
    It's amazing to see how many people are building great things with Astoria so early in the cycle. We talk with folks in the development community often and we hear stories that range from teaching classes, to giving talks, to building experimental systems...
  • OData Team

    Using ASP.NET output caching with Data Services

    • 0 Comments
    A lot of our customers have asked us how to cache results from their Data Service. Which is why I want to point you to this excellent post by Peter Qian (a developer on the Data Services team) that shows you how to setup ASP.NET output caching. It...
  • OData Team

    Metro OData prerelease bits and app

    • 1 Comments
    Phani just published a blog post with directions on how to build OData apps for Windows 8 Metro. The Metro bits are still very much in a prerelease form (e.g., you’ll have to invoke codegen with a command line tool) but it should enable developers to...
  • OData Team

    Vote for future Data Services Features

    • 2 Comments
    Now that our current releases are winding down we’ve begun shifting some of our focus to planning for the next round.  To help us prioritize our future work we’d like to hear from you.  To make it easy to submit feedback directly to our team...
  • OData Team

    WCF Data Services for Silverlight 4 now available for download

    • 4 Comments
    A couple of months ago, we released an update to .NET 3.5 SP1 and its counterpart ADO.NET Data Services for Silverlight 3 Update CTP3 . I am now pleased to announce that we have shipped an updated Data Services client library with Silverlight 4 . This...
  • OData Team

    Deep Dive on the $filter query string option

    • 1 Comments
    Marcelo from our team has posted a nice write up detailing how the $filter query string operator works in ADO.NET Data Services and highlights a number of the functions it supports - check out his post here: $filter Query Option in ADO.NET Data Services...
  • OData Team

    Announcing WCF Data Services March 2011 CTP2 for .NET4 & SL4

    • 4 Comments
      Today we are releasing CTP2 of the next version of the WCF Data Services libraries.  This release targets .NET 4 and Silverlight 4 and includes new client and server features in addition to those that shipped as part Oct 2010 CTP1 .  ...
  • OData Team

    WCF Data Services Client Library and Windows Phone 7 – Next Steps

    • 2 Comments
    We’ve received a fair number of questions regarding our current CTP library for Windows Phone 7 and what our RTM plans are. The goal of this post is to address many of those questions by describing our plans for the coming months…. Background The CTP...
  • OData Team

    Looking for feedback: query caching in data services

    • 7 Comments
    (sorry, tricky problem -> long write-up) One of the few things pending in the server library of the ADO.NET Data Services Framework is query caching to help with performance. Here is a brief explanation of why we needed and a couple of design options...
  • OData Team

    Announcing datajs version 0.0.4

    • 0 Comments
      We are excited to announce that datajs version 0.0.4 is now available at http://datajs.codeplex.com/ . The latest release adds support for Reactive Extensions for Javascript (RxJs), forward and backwards cache filtering, extended metadata, simplified...
  • OData Team

    Why ADO.NET Data Services Framework (aka Astoria)?

    • 8 Comments
    I've responded to a few posts on our online forums asking what the motivations were for building Astoria. After one of our recent posts to the forums a comment was left that the replies would be a good blog post. So, what follows is a few of my responses...
  • OData Team

    Developing an OData consumer for the Windows Phone 7

    • 5 Comments
    A couple of days back at Mix we announced the CTP release of the OData Client Library for Windows Phone 7 series . Cool stuff undoubtedly. But how do you use it? Well Phani, a Data Services team member, shows you how on his blog .
  • OData Team

    Welcome!

    • 4 Comments
    Welcome to the Project Astoria Team Blog! The Astoria team (part of the “ Data Programmability ” (DP) team within the SQL Server organization at Microsoft) is responsible for analyzing how current and next generation internet enabled applications use...
  • OData Team

    ADO.NET Data Services Dec2007 CTP - Validation and Access Control

    • 8 Comments
    Note: This post refers to the CTP available here . When building frameworks to expose and consume data on the web, access policy and data validation are always one of the first topics discussed during the design process, at conferences, etc. Given this...
  • OData Team

    Interim Release: Making SL2 Beta 2 Clients Work With .NET Fx 3.5 SP1 RTM Servers

    • 6 Comments
    As an offshoot of the feedback we got from different channels , ( Blogs , Direct emails to team members , our discussion forums, etc) we are releasing an “interim build” of the data services Silverlight client which works with the Silverlight 2 Beta 2...
  • OData Team

    ‘Restlet’ Java Framework Now with ADO.NET Data Services Support

    • 0 Comments
    Yesterday on the interoperability blog it was announced that Noelios Technologies is shipping a new version of the Restlet open source project (a lightweight REST framework for Java) that includes an extension for ADO.NET Data Services.  This is...
  • OData Team

    See you at PDC

    • 2 Comments
    Technorati Tags: PDC2008 A few of us from the Astoria team will be at PDC this year.  If you are heading to the conference and want to chat about data services, drop us a note or we'll likely bump into you in the lounge / discussion areas. Below...
  • OData Team

    ADO.NET Data Services for Silverlight 3 Update CTP3 now available for download

    • 4 Comments
    A few weeks back, we announced our Data Services update to .NET 3.5 SP1. That release introduced many new features. We are now releasing the Silverlight counterpart, ADO.NET Data Services for Silverlight 3 Update CTP3 . This CTP updates our Silverlight...
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