Posts
  • OData Team

    Announcing ADO.NET Data Services v1.5 CTP1

    • 50 Comments
    It's been a little while since we've written about the future direction of data services, so this post is intended to layout our thinking towards our next release. The release described below isn't yet available, but should be in the coming months, so...
  • OData Team

    Office Business Applications & Data Services

    • 2 Comments
    Beth Massi has been busy creating a number of great posts describing how to build add-ins to Excel, Outlook, Word, etc to work with data from an ADO.NET Data Service. The articles can be found here: ADO.NET Data Services - Building an Excel Client...
  • OData Team

    Timeout Workaround

    • 12 Comments
    Believe it or not, but we did ship ADO.NET Data Services with a few bugs. One issue in particular is fairly nasty. However the code developers might be tempted to write to work around the bug could cause far worse problems down the road when we fix the...
  • OData Team

    Design Notes: Row Count

    • 27 Comments
    One of the scenarios we have heard feedback around is the ability for the a client of a data service to determine the total number of entities in a set without having to retrieve them all. The following video discusses this scenario in more detail and...
  • OData Team

    TechEd EMEA 2008 - Data Services Content

    • 1 Comments
    Are you going to TechEd EMEA this coming week?  If so, we've got the following data services focused sessions at the conference: WUX 313 (Thursday @ 5:30) - Building and Consuming REST-based Data Services for the Web : In this session we'll take...
  • OData Team

    Alpha preview of Project Codename "Astoria Offline" coming soon

    • 6 Comments
    As we already discussed in a previous blog post , one of the problem spaces related to data services we’d like to take on is synchronization-capable services, enabling offline scenarios. We’re still in the early stages of the project, where...
  • OData Team

    Data Services Content @ PDC

    • 2 Comments
    PDC is done for another year.  We had a great time presenting and chatting everyone.  Thanks for all your thoughtful feedback!   If you didn't make it to all the data services PDC sessions.... First : Shame on you.  Second : Here...
  • 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

    Astoria futures: offline-enabled data services

    • 17 Comments
    We mentioned that we were doing some early thinking of “Astoria Offline” back in Mix 2008, where we even demo’ed an early proof of concept. Now we’ve been working on various design aspects of Data Services for its future versions...
  • OData Team

    Silverlight + Controls Samples

    • 0 Comments
    Another nice Silverlight sample was posted today by Valeri. You can play with the app online here and a description of how it is built along with source is here . -Mike Flasko ADO.NET Data Services, Program Manager
  • OData Team

    Silverlight TreeView Load on Demand

    • 2 Comments
    Check out this interesting sample I came across today which loads data from an ADO.NET Data Service into a Telerik tree view control on demand: http://blogs.telerik.com/ValeriHristov/Posts/08-10-08/Silverlight_TreeView_Load_on_Demand.aspx -Mike Flasko...
  • OData Team

    Making Feeds Friendly

    • 6 Comments
    The goal of Astoria in V1 is to easily expose a data source using the REST approach to the web (with support for concurrency, versioning, auth, etc).  In general, the way we think about serialization formats (ie. how we represent entites on the wire...
  • OData Team

    ADO.NET Data Services Concepts

    • 4 Comments
    A refresh of our "Overview of ADO.NET Data Services" white paper is now up on MSDN here: http://msdn.microsoft.com/en-us/library/cc956153.aspx . The document is meant to cover the high-level concepts for the product. A companion paper " Using ADO.NET...
  • OData Team

    0 to 60 With ADO.NET Data Services

    • 1 Comments
    An update to our "Using ADO.NET Data Services" whitepaper is now available to match the bits just released with the .NET Framework 3.5 SP1. You can find the paper on MSDN here: http://msdn.microsoft.com/en-us/library/cc907912.aspx . The document is intended...
  • 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

    "How Do I Videos"

    • 8 Comments
    We have started creating a "How do I" video series for data services. A couple videos are already posted here: http://msdn.microsoft.com/en-us/data/cc300162.aspx . We have a number of ideas for future videos and a few more yet to publish, but if you have...
  • 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

    Compat Note: Silverlight Beta 2 Client & .NET Framework 3.5 SP1 Server Components

    • 15 Comments
    A few folks have asked about using the Silverlight Beta 2 client library against a data service created using the recently released .NET Framework 3.5 SP1 RTM bits. In general, the Silverlight Beta 2 data services library was created to target the .NET...
  • OData Team

    RTM is here!

    • 28 Comments
    ADO.NET Data Services (aka “Project Astoria”) has Released!  Today marks the official RTM of Visual Studio 2008 SP1 and the .NET Framework 3.5 SP1, and we are thrilled to announce the official RTM of the ADO.NET Entity Framework and ADO...
  • OData Team

    Using the Uniform Interface Exposed By Data Services

    • 6 Comments
    In some of our past posts, we've discussed one of the benefits of data services is that the interface to such a service is uniform. This means that how you interact with each service (issue a query, insert a new entity, etc) is the same across all services...
  • OData Team

    Astoria Content @ TechEd This Week

    • 0 Comments
    Are you at TechEd this week? If so, we have a few Astoria related sessions going on. If you are at the event and want to chat about Astoria, drop me a note or swing by one of the sessions: 6/4 8:30am-9:45am ADO.NET Data Services for the Web (aka "Project...
  • 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

    Merge vs. Replace Semantics for Update Operations

    • 18 Comments
    So far Astoria has used “merge” semantics for update. That is, an “update” operation (an HTTP PUT request) replaces the values of the properties for the target entity that are specified in the input payload; this applies both to properties and links....
  • OData Team

    Interested in working on the ADO.NET Data Services Framework (aka "Astoria") or XML?

    • 1 Comments
    Do you want to work on the next generation of data access APIs for the web? If so, the Astoria and XML teams are hiring. If you want to get a feel for the types of problems our team thinks about the solutions we build, check out the earlier posts on this...
  • OData Team

    ADO.NET Data Services Framework Beta 1 is Live!

    • 39 Comments
    We are very excited to announce that .NET 3.5 SP1 Beta 1 and Visual Studio 2008 SP1 Beta 1 are now available! This beta marks the entry of the ADO.NET Data Services Framework as well as the ADO.NET Entity Framework as part of the overall .NET/Visual...
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