March 2014 | OData

[Discussion] Future Direction of WCF Data Services

Mike Pizzo March 27, 2014 Mar 27, 2014 03/27/14

WCF Data Services Microsoft initially released WCF Data Services as an easy way to implement an OData service over queryable data sources. This made it very easy to expose a model backed by the Entity Framework as an OData Service, and included a data provider model for plugging in other types of queryable data sources. WCF Data Services ...

[Announcement] ODataLib 6.1.0 release

Yi Ding - MSFT March 21, 2014 Mar 21, 2014 03/21/14

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 .Net client. Call to Action If your team has an existing OData service or is ...

[Announcement] OData core libraries now support OData v4

Yi Ding - MSFT March 21, 2014 Mar 21, 2014 03/21/14

Hi all, We are tremendously excited to announce that we have released version 6.0.0 of the OData core libraries to NuGet on Jan 27th. This release is particularly noteworthy as it is the first production-ready releasewith support for OData v4, the newest version of the OData protocol. We had two primary goals for this release: We have ...

[Announcement] The ASP.NET Web API 2.2 for OData release and the OData Client Code Generator release

Yi Ding - MSFT March 20, 2014 Mar 20, 2014 03/20/14

We are very excited to announce the availability of nightly builds on MyGet for ASP.NET Web API 2.2 for OData v4.0 along with OData Client Code Generator for writing OData v4 clients. The Web API 2.2 release is particularly noteworthy as it is the first Web API release with support for OData v4 with selected highly demanded ...

[Tutorial & Sample] Use Enumeration types in OData

Tian Ouyang March 18, 2014 Mar 18, 2014 03/18/14

Enumeration is a very common data type in various data models. Enumeration types are useful means to represent data that needs to support certain programmatic options (such as the ability to detect one or more options are selected). OData v4 now supports Enumeration types, along with Primitive types, Complex types, and Entity types. And we ...

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

tjf_azure March 12, 2014 Mar 12, 2014 03/12/14

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 eq @name and contains(Description, @name)&@name=’Bob’ It is implemented by ...

[Tutorial & Sample] Containment is Coming with OData V4

Liang Wang [MSFT] March 12, 2014 Mar 12, 2014 03/12/14

Before OData V4, every entity set must be accessed from top-level even it is in a containment relationship with other set. For example, assume a schema where Order Lines (Type: “OrderLine”, EntitySet: “OrderLines”) live within Orders (Type: “Order”, EntitySet: “Orders”). Then, Orders have an “id” member that is the key, ...

[Tutorial & Sample] How to use OData Client Code Generator to generate client-side proxy class

Layla Liu March 11, 2014 Mar 11, 2014 03/11/14

Edited on July 09, 2014 by updating “Add OData Client Proxy File” for V2.0.0 and adding "Appendix" part. Please refer to "OData Client Code Generator 2.0.0 release" for V2.0.0 release notes Edited on Apr 29, 2014 by adding "Upgrade the Project Dependencies to the Most Recent Version" part. In this tutorial, you will generate an ...

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

Zoe Luo March 5, 2014 Mar 5, 2014 03/5/14

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 is newly introduced in OData V4, to allow developers name such special entity, and it can be ...

OData