Posts
  • 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...
  • OData Team

    Using REST Services in Silverlight 2

    • 11 Comments
    We have received a lot of feedback over the past few weeks asking when will be update the Silverlight library for data services. I thought I'd put up a short post to update everyone on where we are at and what our thinking is.... I'll start by saying...
  • OData Team

    Optimistic Concurrency & Data Services

    • 14 Comments
    Different applications have different requirements around consistency and how concurrent modifications are handled. I’ll oversimplify and put all these applications in two buckets: either you care about controlling concurrent changes or you don’t. If...
  • OData Team

    Astoria Online Service --> SQL Server Data Services

    • 12 Comments
    Around a year ago in the Mix 2007 conference we announced Project Astoria, an overall initiative to understand how data is used on the web and what frameworks, tools and services could we create to enable new and better applications in this space. Several...
  • OData Team

    IUpdatable & ADO.NET Data Services Framework

    • 10 Comments
    Astoria service allows reading/querying of data via the already-established IQueryable interface – this helps in abstracting Astoria from the underlying data source. But there is no existing interface for the update operations (CUD – create, update, delete...
  • OData Team

    Batching Data Service Requests

    • 15 Comments
    We have received a fair amount of feedback regarding a number of use cases where it would be beneficial to enable a client of a data service to “batch” up a group of operations and send them to the data service in a single HTTP request . This reduces...
  • 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

    Program Manager openings in Data Programmability

    • 1 Comments
    We’re gearing up for the next release of the .NET Framework, and we are looking for people that have a passion for building great frameworks to help with the effort.  Since we’ve shipped the .NET Framework 3.5 we’ve been working...
  • OData Team

    MIX08 is almost here...

    • 23 Comments
    Its been a year since Pablo first announced Project Astoria at MIX 07. Since then we've started from scratch and build a production version of the product which is now known as the ADO.NET Data Services Framework. At the MIX conference this time around...
  • OData Team

    Related entries and feeds: links and link expansion

    • 11 Comments
    While going through application scenarios for the ADO.NET Data Services Framework (Project Astoria) one of the first things we noticed is that data-centric applications usually want to bring down graphs of related resources in each interaction with the...
  • OData Team

    AtomPub support in the ADO.NET Data Services Framework

    • 15 Comments
    We have been looking for the last few months at adding first-class support for AtomPub to Project Astoria (we briefly touched on it before here ). We are at a point where we have some parts of the AtomPub story and their initial implementation running...
  • 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

    RESTing on the slopes

    • 9 Comments
    This past week we attended to some very high priority issues (shown below). We got a few good shots of our team .... This isn't quite the whole Astoria team (the next set of picks we'll have to get one of the entire team), but the folks in the picture...
  • OData Team

    Updates to URI Syntax in Dec 2007 ADO.NET Data Services CTP

    • 1 Comments
    We made few tweaks to our URI syntax to clean it up in the last CTP of ADO.NET Data Services. Marcelo details them here: Updates to URL syntax for December CTP of ADO.NET Data Services -Mike
  • 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...
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