Posts
  • OData Team

    [Tutorial & Sample] Refering when Constructing EDM Model

    • 0 Comments
    Introduction EDM model plays a very important role in OData. When you want to use OData, the first thing should be constructing an EDM model. Previously, you need to build a complete EDM model, which means all types, terms, operations used in an EDM...
  • OData Team

    Server Paging in Data Services

    • 8 Comments
    The Data Services team recently released an update to.NET 3.5 SP1 that adds a number of features to data services – we are calling this update Data Services V2. One of the major features included in this update is the ability to enable server paging on...
  • OData Team

    [Announcement] OData V4 Client Code Generator 2.1.0 Release

    • 4 Comments
    Features OData v4 Client Code Generator now supports the generation of properties whose type, functions whose parameter types and return type are Edm.TimeOfDay or Edm.Date. OData v4 Client Code Generator generates one more ByKey method for each...
  • OData Team

    OData and Authentication – Part 1

    • 6 Comments
    Here on the Data Services team we hear many people ask about authentication. Questions like: How do you ‘tunnel’ authentication over the OData protocol? What hooks should I use in the WCF Data Services client and server libraries? The answer to these...
  • OData Team

    Announcing the Release of Web API OData 5.3

    • 3 Comments
    The NuGet packages for ASP.NET Web API OData 5.3 are now live on the NuGet gallery! Download this release You can install or update the NuGet packages for ASP.NET Web API OData 5.3 using the NuGet Package Manager Console, like this: Install...
  • OData Team

    WCF Data Services 5.3.0 RTW

    • 16 Comments
    Today we are releasing an updated version of the WCF Data Services NuGet packages and tools installer . As mentioned in the prerelease blog post , this version of WCF DS has three notable new features as well as over 20 bug fixes. What is in the release...
  • OData Team

    New JavaScript library for OData and beyond

    • 7 Comments
    Today we are announcing a new project called ‘datajs’, a cross-browser JavaScript library that enables web applications to do more with data. datajs leverages modern protocols such as JSON and OData as well as HTML5-enabled browser features...
  • OData Team

    OData and Authentication – Part 8 – OAuth WRAP

    • 2 Comments
    OAuth WRAP is a claims based authentication protocol supported by the AppFabric Access Control (ACS) which is part of Windows Azure . But most importantly it is REST (and thus OData) friendly too. The idea is that you authenticate against an ACS server...
  • OData Team

    WCF Data Services 5.6.0 Alpha

    • 21 Comments
    Today we are releasing updated NuGet packages and tooling for WCF Data Services 5.6.0. This is an alpha release and as such we have both features to finish as well as quality to fine-tune before we release the final version. You will need the updated...
  • OData Team

    Service Operations and the WCF Data Services Client

    • 7 Comments
    Service Operations in WCF Data Services allow you to create WCF style methods on your service. In general it is good practice to do most of your CRUD operations directly on the entities exposed by your WCF Data Services model but every once in a while...
  • OData Team

    OData and Authentication – Part 5 – Custom HttpModules

    • 4 Comments
    In the last post we saw how to add custom authentication inside your Data Service using the ProcessingRequest event. Unfortunately that approach means authentication is not integrated or shared with the rest of your website. Which means for all...
  • OData Team

    Using the new client hooks in WCF Data Services Client

    • 6 Comments
    What are the Request and Response Pipeline configurations in WCF Data Services Client? In WCF Data Services 5.4 we added a new pattern to allow developers to hook into the client request and response pipelines. In the server, we have long had the concept...
  • OData Team

    URI Format - Part 1 - Addressing resources using URI path segments

    • 13 Comments
    Deciding on something that becomes a public interface of a developer-oriented technology is a tricky task. Not only does the resulting design need to be correct and complete, but also there are various aspects that are more around aesthetics and personal...
  • OData Team

    OData 101: Bin deploying WCF Data Services

    • 6 Comments
    TL;DR: If you’re bin-deploying WCF Data Services you need to make sure that the .svc file contains the right version string (or no version string). The idea for this post originated from an email I received yesterday. The author of the email, George Tsiokos...
  • OData Team

    Actions in WCF Data Services

    • 7 Comments
    “Actions will provide a way to inject behaviors into an otherwise data-centric model without confusing the data aspects of the model, while still staying true to the resource oriented underpinnings of OData." The October 2011 CTP of WCF Data Services...
  • OData Team

    Deploying an OData Service in Windows Azure

    • 1 Comments
    Windows Azure and SQL Azure are the new Cloud service products from Microsoft. In this blog post, I am going to show you how you can take a database that is hosted in SQL Azure and expose it as OData in a rich way using WCF Data Services and Windows Azure...
  • OData Team

    Introducing the Microsoft Open Data Protocol Visualizer (CTP1)

    • 23 Comments
    1. Introduction The Open Data Protocol Visualizer for Visual Studio CTP1 (“the visualizer”) is a extension that provides a read-only visualization of the types, properties, associations, and other objects in the Entity Data Model (EDM) returned from...
  • OData Team

    What happened to application/json in WCF DS 5.0?

    • 7 Comments
    The roadmap for serialization formats We have been talking for a while about a more efficient format for JSON serialization. The new serialization format will be part of the OData v3 protocol, and we believe that the much-improved JSON format should be...
  • OData Team

    Actions in WCF Data Services – Part 3: A sample provider for the Entity Framework

    • 6 Comments
    This post is the last in a series on Actions in WCF Data Services. The series was started with an example experience for defining actions (Part 1) and how IDataServiceActionProvider works (Part 2) . In this post we’ll go ahead and walk through a...
  • OData Team

    WCF Data Services 5.0 RTM Release

    • 25 Comments
    I’m very pleased to announce the WCF Data Services 5.0 RTM release. You can download WCF Data Services 5.0 from here . This release includes several client and server features and libraries for .NET 4 and Silverlight 4. Below is a brief breakdown...
  • OData Team

    Astoria Design: payload formats

    • 20 Comments
    The goal of Astoria is to make data available to loosely coupled systems for querying and manipulation. In order to do that we need to use protocols that define the interaction model between the producer and the consumer of that data, and of course we...
  • OData Team

    New version of OData Validator

    • 14 Comments
    The OData team has been working on updating the OData Validator tool to support the new JSON format validation. We are pleased to announce that the tool now supports validating your V3 service for all three formats – ATOM, old JSON format (aka JSON Verbose...
  • OData Team

    WCF Data Services 5.4.0 Release

    • 14 Comments
    Today we are releasing version 5.4.0 of WCF Data Services. As mentioned in the prerelease post , this release will be NuGet packages only. That means that we are not releasing an updated executable to the download center. If you create a new WCF Data...
  • OData Team

    New and improved EULA!

    • 5 Comments
    TL;DR: You can now (legally) use our .NET OData client and ODataLib on Android and iOS. Backstory For a while now we have been working with our legal team to improve the terms you agree to when you use one of our libraries (WCF Data Services, our...
  • OData Team

    OData Client Tools for Windows Phone Apps Now Available

    • 2 Comments
    Windows Phone 8 and Windows Phone SDK 8.0 were just announced and we are pleased to announce that OData Client Tools for Windows Phone 8 is also now available from the download center. OData Client Tools for Windows Phone 8 brings OData V3 support to...
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