Posts
  • 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

    ADO.NET Data Services Update for .NET Framework 3.5 SP1 - Refresh

    • 1 Comments
    The Data Services team has released a refresh of the ADO.NET Data Services Update for .NET Framework 3.5 SP1 today and provides fixes for issues reported to us in the update to .NET Framework 3.5 SP1. For Windows Vista, Windows XP, Windows Server 2003...
  • OData Team

    WCF Data Services 5.5.0 Prerelease

    • 14 Comments
    It’s that time again: yesterday we uploaded an RC for the upcoming 5.5.0 release. The 5.5.0 release will be another NuGet-only release. What is in the release: This release has two primary features: 1) significant enhancements to the URI parser and 2...
  • OData Team

    WCF Data Services 5.4.0 Prerelease

    • 5 Comments
    Recently we uploaded an RC for our upcoming 5.4.0 release. This release will be NuGet packages only. What is in the release: Client deserialization/serialization hooks We have a number of investments planned in the “request pipeline” area. In 5.4.0 we...
  • OData Team

    Using the ADO.NET Data Services Silverlight client in x-domain and out of browser scenarios – I

    • 5 Comments
    With the release of ADO.NET Data Services v1.5 CTP2 , you can now use the Silverlight Astoria client library to access Cross-Domain services and applications written with the new client library can go out of browser. The new Client Http networking stack...
  • OData Team

    Using Add Service Reference with OData services after installing Windows Phone SDK 8.0

    • 0 Comments
    In this post, we will talk about how you can continue to consume OData v3 services after installing Windows Phone SDK 8.0. If you are a developer who is using WCF Data Services to produce OData v3 services in Visual Studio 2012 and also only installed...
  • OData Team

    OData 101: Building our first OData-based Windows Store app (Part 2)

    • 0 Comments
    Download the sample code In the previous blog post , we walked through the steps to build an OData-enabled client using the new Windows UI. In this blog post, we’ll take a look at some of the code that makes it happen. ODataBindable, SampleDataItem...
  • OData Team

    WCF Data Services, now with more releases!

    • 6 Comments
    Like other teams at Microsoft, WCF Data Services has been working toward a goal of more frequent releases. We released 5.0 on April 9 and we pre-released WCF Data Services 5.0.1-rc* on April 20 (we’ll release the final version of 5.0.1 very soon). The...
  • OData Team

    Design Notes: URI Containment in Astoria

    • 6 Comments
    Problem statement Today in Astoria if you have two entity types that are functionally in a containment relationship, you still see a top-level entity set for the instances of the contained type, and further the URLs for instances of the contained types...
  • OData Team

    Announcing Project Codename “Astoria Offline”, Alpha Preview

    • 18 Comments
    In October of last year we started to talk publicly about an exploration project we called “Astoria Offline”, we showed a working version of it at PDC 2008 and we said we would ship the experimental bits as soon as we could. It ended up taking...
  • OData Team

    Any/All support in WCF Data Services

    • 3 Comments
    The latest CTP of WCF Data Services adds one of the most frequently requested features , namely support for Any/All queries. Prior to this CTP there was no way to filter results based on properties of a related collection (or a multi-value property)....
  • OData Team

    Introduction to Databinding (Updated)

    • 1 Comments
    This blog post is an update to an introduction to the data binding capabilities we first added in Data Services v1.5 CTP1. We have taken the feedback received throughout the CTPs and made updates to the final design. Below is an update to the original...
  • OData Team

    Named Resource Streams

    • 2 Comments
    One of the new WCF Data Services features in the October 2010 CTP is something called Named Resource Streams. Background Data Services already supports Media Link Entries which allows you to associate a single streamed blob with an entry.   For example...
  • OData Team

    How to use WCF DS 5.0 in a Web Site project

    • 2 Comments
    The WCF Data Services 5.0 RTM release includes an update to the Add Service Reference behavior in Visual Studio. For most project types that target .NET Framework 4.0, this means that when you add a new service reference, you will automatically get assembly...
  • 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

    Important: Security Advisory 2749655 affects WCF DS

    • 0 Comments
    What is the advisory? Microsoft just released Security Advisory 2749655 , which addresses “an issue involving specific digital certificates that were generated by Microsoft without the proper timestamp attributes.” If you are using WCF Data Services 5...
  • OData Team

    ADO.NET Data Services v1.5 CTP1 - Server Driven Paging

    • 2 Comments
    This post is a drill down into the Server Driven Paging (SDP) feature added in data services v1.5 CTP1. Since this is the first CTP release of this feature we look forward to hearing your feedback. What is Server Driven Paging? This feature is best...
  • OData Team

    Introduction to Data Binding in CTP2

    • 2 Comments
    This blog post is an update to an introduction to the data binding capabilities we first added in Data Services v1.5 CTP1. In CTP2 we have taken the feedback we received from CTP1 and made some updates to the data binding feature. Since this is a CTP...
  • 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

    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

    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

    Create your own hosted Astoria Data Service

    • 84 Comments
    At the Mix 2007 conference we announced an Astoria CTP which included two major pieces: CTP bits you can download, install and run on your own systems and an experimental read only online service over a few sample (northwind, etc) sets of data that we...
  • OData Team

    Data Services Client for Win Phone 7 Now Available!

    • 3 Comments
      Today, at the PDC , we announced that a production-ready version of the WCF Data Services client for Windows Phone 7 is available for download from http://odata.codeplex.com .  This means that it is now simple to create an app that connects...
  • OData Team

    Using Data Services over SharePoint 2010 – Part 2 - CRUD

    • 0 Comments
    In part 1 you learned how to get SharePoint 2010 and Astoria working together, how to add a Service Reference to your Client Application and how to do a basic insert. In this installment you will see full CRUD, so you’ll learn how to do queries, data...
  • OData Team

    Announcing OData T4 for C#, Preview 1

    • 2 Comments
      I’m very excited to announce the release of OData T4 for C# Preview 1, for the October 2011 CTP of the next version of WCF Data Services libraries, with support for code generation of service operations. The goal of this T4 preview and subsequent...
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