Posts
  • OData Team

    OData and Authentication – Part 7 – Forms Authentication

    • 11 Comments
    Our goal in this post is to re-use the Forms Authentication already in a website to secure a new Data Service. To bootstrap this we need a website that uses Forms Auth. Turns out the MVC Music Store Sample is perfect for our purposes because: It uses...
  • OData Team

    [Announcement] ODataLib 6.5.0 Release

    • 9 Comments
    We are happy to announce that the ODL 6.5.0 is released and available on nuget along with the source code on codeplex (please read the git history for the v6.5.0 code info and all previous version). Detailed release notes are listed below. Bug Fix...
  • OData Team

    Accessing an OData Media Resource Stream from a Windows Phone 7 Application (Streaming Provider Series-Part 3)

    • 1 Comments
    In this third post in the series on implementing a streaming data provider, we show how to use the OData client library for Windows Phone 7 to asynchronously access binary data exposed by an Open Data Protocol (OData) feed. We also show how to asynchronously...
  • OData Team

    [Tutorial & Sample] Using Parameter Alias to simplify the OData URL

    • 2 Comments
    Are you suffering from typing complex parameter values in URL? Or even make it worse you need to type it more than once? To solve this problem, now Microsoft.OData.Core.dll 6.0 supports parameter alias in request URL, such as: ~/People?$filter=LastName...
  • OData Team

    [Announcement] ODataLib 6.4.0 Release

    • 13 Comments
    We are happy to announce that the ODL 6.4.0 is released and available on nuget along with the source code on codeplex (please read the git history for the v6.4.0 code info and all previous version). Detailed release notes are listed below. Bug Fix...
  • OData Team

    Using Data Services over SharePoint 2010 – Part 1 – Getting Started

    • 11 Comments
    ADO.NET Data Services 1.5 and SharePoint 2010 allow developers to write applications against SharePoint Lists using the familiar Data Services Client programming model. Setup The SharePoint 2010 beta will become generally available in November ...
  • OData Team

    [Announcement] ODataLib 6.2.0 release

    • 6 Comments
    We are happy to announce that the ODL 6.2.0 is released and available on nuget along with the source code on codeplex (please read the git history for the v6.2.0 code info and allprevious version). Detailed release notes are listed below. Bug fixes...
  • OData Team

    [Tutorial & Sample] How to Use Open Type in OData

    • 3 Comments
    OData protocol introduces conception of open type which allows clients to add properties dynamically to instances of the type by specifying uniquely named values in the payload used to insert or update an instance of the type. This makes definition of...
  • OData Team

    Introducing the OData Library

    • 6 Comments
    This blog talks about a new feature delivered in the WCF Data Services October CTP that can be downloaded here . WCF Data Services’ latest CTP includes a new stand-alone library for working directly with OData. The library makes public some underpinnings...
  • OData Team

    [Tutorial & Sample] Client Property Tracking for PATCH

    • 3 Comments
    In OData Client for .NET 6.2.0, we enabled the top level property tracking on client side when sending a PATCH. This feature allows client to send only updated properties, instead of the entire object to server. The top level property tracking means...
  • OData Team

    OData and Authentication – Part 4 – Server Side Hooks

    • 1 Comments
    If you secure an OData Service using Windows authentication – see Part 2 to learn how – everything works as expected out of the box. What however if you need a different authentication scheme? Well the answer as always depends upon your...
  • 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

    [Tutorial & Sample] Client Delayed Query

    • 2 Comments
    In OData Client 6.5.0, together with OData Client Code Generator 2.0.0, we have improved the user experience on the client side by introducing delayed query into it. This feature enables valid compositions as many as you want when building a query in...
  • OData Team

    OData 101: Using the [NotMapped] attribute to exclude Enum properties

    • 4 Comments
    TL;DR: OData does not currently support enum types, and WCF Data Services throws an unclear exception when using the EF provider with a model that has an enum property. Mark the property with a [NotMapped] attribute to get around this limitation. In today...
  • 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

    Using Unsigned Integers in OData

    • 2 Comments
    Unsigned integers can be useful in many ways, such as representing data sizes, resource handles and so on. Though OData V4 only supports signed integer natively, the protocol offers a flexible way called type definition to allow users to ‘define’...
  • 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

    OData and Authentication - Part 3 - ClientSide Hooks

    • 7 Comments
    So far in this series we’ve looked at Windows Authentication . For both Windows and Basic Authentication, Data Services does the authentication handshake and subsequent sending of authentication headers – all without you directly setting...
  • 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

    Entity Set Resolver

    • 6 Comments
    Problem Statement: In previous versions, the WCF Data Services .NET and Silverlight client libraries always assumed that all collections (aka entity sets) had the same base URI. This assumption was in place because the library used the URI provided...
  • 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

    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

    Data Services Update for .NET 3.5 SP1 – Now Available for Download

    • 8 Comments
    We’re very excited to announce that the “Data Services Update for .NET Framework 3.5 SP1” (formerly known as “ADO Data Services v1.5”) has been re-released and is available for download; the issue with the previous update has been resolved . If your target...
  • OData Team

    [Tutorial & Sample] How to enable authentication for metadata documents in the OData Client Code Generator

    • 0 Comments
    Currently, the OData Client Code Generator doesn’t support authentication for metadata documents. Although authenticating the access to OData metadata documents is not encouraged for service builders unless they has a good reason to do so, However...
  • 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...
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