[Tutorial & Sample] WCF Data Services Entity Framework Provider is updated with WCF Data Service 5.6.2

After WCF Data Services Entity Framework Provider version 1.0.0-alpha2 was released, we got lots of valuable feedbacks from customers. Recently we summarized all the feedbacks and fixed the most critical bugs reported. Now we are happy to announce the release of WCF Data Services Entity Framework Provider 1.0.0-beta2 (Below using EF6 Provider beta2 for short)….

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[Announcement] ODataLib 6.6.0 Release

We are happy to announce that the ODL 6.6.0 is released and available on nuget along with the source code oncodeplex (please read the git history for the v6.6.0 code info and all previous version). Detailed release notes are listed below. Bug Fix Fix a bug that Client cannot serialize/deserialize a collection property whose element type is abstract complex type, but…

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[Tutorial & Sample] Using Unsigned Integers in OData

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’ unsigned integer types themselves. As an example, we know that any UInt16 integer can be…

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[Tutorial & Sample] Open complex type step by step with Web API 2.2 for OData v4.0

Introduction Recently, Microsoft officially announced Web API 2.2 for OData v4 via the blog post Announcing the Release of ASP.NET MVC 5.2, Web API 2.2 and Web Pages 3.2. In this release, a new feature named open complex type is introduced. As the ODL v4 spec says: Open complex types are keyless named structured types consisting…

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[Tutorial & Sample] Client Delayed Query

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 client, getting all parts into one request URL and sending it out when…

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[Announcement] OData Client Code Generator 2.0.0 release

We are happy to announce that the OData Client Code Generator is released and available on Visual Studio Gallery. In this release, we focused on lighting up more OData features and the usability of the generated APIs while preserving the most consistency with the former version. Following is the release notes: Improvements of this OData…


[Tutorial & Sample] Using ODataUriParser for OData V4

Background This post is intended to guide you through the UriParser for OData V4, which is released within ODataLib V6.0 and later. You may have already read the following posts about OData UriParser in ODataLib V5.x: Parsing $filter and $orderby using the ODataUriParser Parsing OData Paths, $select and $expand using the ODataUriParser Some parts of…

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[Announcement] ODataLib 6.5.0 Release

We are happy to announce that the ODL 6.5.0 is released and available on nuget along with the source code oncodeplex (please read the git history for the v6.5.0 code info and all previous version). Detailed release notes are listed below. Bug Fix Fix a bug for supporting “Core.OptimisticConcurrency” annotation. Fix bugs for enum  1) ODataUriParser should support nullable Enum as a…

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[Tutorial & Sample] Refering when Constructing EDM Model

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 model should be declared in itself. If there are some elements…


[Announcement] ODataLib 6.4.0 Release

We are happy to announce that the ODL 6.4.0 is released and available on nuget along with the source code oncodeplex (please read the git history for the v6.4.0 code info and all previous version). Detailed release notes are listed below. Bug Fix Fix a bug for top level dynamic property payload don’t have @odata.type annotation New Features ODataLib supports write…

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