Posts
  • OData Team

    [Tutorial & Sample] 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

    [Announcement] ODataLib 6.3.0 Release

    • 10 Comments
    We are happy to announce that the ODL 6.3.0 is released and available on nuget along with the source code on codeplex (please read the git history for the v6.3.0 code info and allprevious version). Detailed release notes are listed below. Bug Fix ...
  • OData Team

    Introduction to Data Binding in Silverlight 3 with CTP2

    • 4 Comments
    This blog post is an introduction to the data binding capabilities for Silverlight 3 we first added for Silverlight 2 in Data Services v1.5 CTP1 and have updated to Silverlight 3 in CTP2. We also took the feedback we received in CTP1 and made some updates...
  • OData Team

    [Tutorial & Sample] Use Singleton to define your special entity

    • 6 Comments
    Ever had a special entity where there can be only one of its kind, but bothered by having to define a one-element entity set for it? Ever wanted to request a special entity but bothered by needing to find out its key first? Use a singleton! Singleton...
  • OData Team

    [Announcement] ODataLib 6.5.0 Release

    • 12 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

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

    • 4 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

    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

    [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

    [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

    Actions in WCF Data Services – Part 1: Service Author Code

    • 4 Comments
    If you read our last post on Actions you’ll know that Actions are now in both OData and WCF Data Services and that they are cool: “Actions will provide a way to inject behaviors into an otherwise data-centric model without confusing the...
  • OData Team

    ASP.NET Security Vulnerability

    • 2 Comments
    Over the weekend the ASP.NET team released a Microsoft Security Advisory about a security vulnerability found in ASP.NET: http://www.microsoft.com/technet/security/advisory/2416728.mspx The WCF Data Services team looked into the issue and don’t believe...
  • 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

    [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

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

    • 12 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 6.8.1 Release

    • 8 Comments
    We are happy to announce that the ODataLib 6.8.1 is released. Detailed release notes are listed below. Bug Fix [Github issues #3] Fix a bug that string function parameters containing specific characters were handled incorrectly by URI parser...
  • OData Team

    Announcing the Release Candidates for Web API OData 5.3

    • 3 Comments
    The release candidate 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 release candidate NuGet packages for ASP.NET Web API OData 5.3 using the NuGet Package Manager...
  • OData Team

    [Announcement] ODataLib 6.8.0 Release

    • 6 Comments
    We are happy to announce that the ODataLib 6.8.0 is released. Detailed release notes are listed below. Bug Fix Remove the ordering constraint in ODataLib which forces instance annotations of a property to come before the property in complex value...
  • 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

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

    • 1 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

    [Announcement] ODataLib 6.7.0 Release

    • 5 Comments
    We are happy to announce that the ODL 6.7.0 is released and available on NuGet . Detailed release notes are listed below: New Features EdmLib supports a list of additional core vocabulary terms - IsLanguageDependent - RequiresType - ResourcePath...
  • 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 101: Using the [NotMapped] attribute to exclude Enum properties

    • 5 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

    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 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

    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...
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