Posts
  • OData Team

    [Announcement] ODataLib 6.6.0 Release

    • 9 Comments
    We are happy to announce that the ODL 6.6.0 is released and available on nuget along with the source code on codeplex (please read the git history for the v6.6.0 code info and all previous version). Detailed release notes are listed below. Bug Fix...
  • OData Team

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

    • 3 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

    [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

    Connecting to an OAuth 2.0 protected OData Service

    • 1 Comments
    This post creates a Windows Phone 7 client application for the OAuth 2.0 protected OData service we created in the last post . Prerequisites: To run this code you will need: An AppFabric Access Control Services (ACS) instance & OData Service...
  • 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

    [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 6.1.0 release

    • 7 Comments
    Hi all, As our commitment in rolling out new functionality in the OData V4 protocol continuously, we are excited to announce that OData Core Libraries 6.1 has been released to NuGet. This release contains four packages, Core , EDM , Spatial and the...
  • 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

    Making Feeds Friendly

    • 6 Comments
    The goal of Astoria in V1 is to easily expose a data source using the REST approach to the web (with support for concurrency, versioning, auth, etc).  In general, the way we think about serialization formats (ie. how we represent entites on the wire...
  • 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

    [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

    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

    [Announcement] ODataLib 6.8.1 Release

    • 9 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

    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

    How to consume SQL Spatial Data with Web API V2.2 for OData V4

    • 0 Comments
    Introduction Today, along with the increasing demands of Location-Based Services (LBS), it becomes more and more important to provide functionalities on SQL Spatial Data through a unique, robust and scalable service based on a standard protocol. ...
  • 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

    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

    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] OData V4 Client Code Generator 2.1.0 Release

    • 7 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

    [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

    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

    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

    Early investigation into supporting the OData V4 libraries in ASP.NET 5/MVC 6

    • 0 Comments
    Dear OData lovers, The OData team has started the investigation into supporting the OData .NET V4 libraries in ASP.NET 5/MVC 6. The work is currently going well and tracked by the following two GitHub issues: Support ODataLib/EdmLib/Microsoft...
  • 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

    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...
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