OData

Create and consume RESTful APIs in a simple and standard way

WebAPI - OData

Working with media resources in OData – Part 1

August 8, 2023 Aug 8, 2023 08/8/23
John Gathogo
OData enables you to define data feeds that serve binary large object (BLOB) data. In OData lingo, this binary data is referred to as a media resource. A media resource (MR) is an unstructured piece of data or stream, e.g., a document, image, or video. It is requested from the data service separately from the entry in the feed to which it ...

Deep insert support in OData Web API

June 9, 2023 Jun 9, 2023 06/9/23
Kennedy Kangethe Munga
Background In OData Web API 7.7.0, we added support for deep insert. In deep insert, we create an object and its related items or link existing items in a single request. This blog post is a continuation of Bulk Operations Support in OData Web API. In that blog post, we explained how to use ODataAPIHandler and ODataAPIHandlerFactory ...
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Extension: Omit null value properties in ASP.NET Core OData

September 7, 2022 Sep 7, 2022 09/7/22
Sam Xu
Introduction By default, ASP.NET Core OData serializes a single value property as “null”, and a collection value property as an empty array if its value is null as such: { "SingleValueProperty": null "CollectionValueProperty": [] } It’s good for most scenarios. However, omitting those 'annoying' null-value properties from ...

Build formatter extensions in ASP.NET Core OData 8 and hooks in ODataConnectedService

August 23, 2021 Aug 23, 2021 08/23/21
Sam Xu
Introduction In this post, I will create formatter extensions in an OData web service and request/response hooks in an OData client application to generate/consume ETag control information. ETag (aka entity tag), one of OData control information that may be applied to an entity or collection in response, can be used in a subsequent request to...

Up & Running w/ OData in ASP.NET 6

July 10, 2021 Jul 10, 2021 07/10/21
Hassan Habib
In this article, I'm going to walk you through the simplest way you can follow to get up and running with OData 8.0 on ASP.NET 6.0 - including source code examples, video walk-throughs and a glimpse into the future of OData.

API versioning extension with ASP.NET Core OData 8

July 9, 2021 Jul 9, 2021 07/9/21
Sam Xu
Introduction API versioning can help evolving our APIs without changing or breaking the existing API services. URL segment, request header, and query string are three ways to achieve API versioning in ASP.NET Core application. ASP.NET Core OData 8, built upon ASP.NET Core, has the built-in API versioning functionality via route URL prefix ...

Attribute Routing in ASP.NET Core OData 8.0 RC

April 7, 2021 Apr 7, 2021 04/7/21
Sam Xu
Introduction Attribute routing is how Web API matches the incoming HTTP requests to an action based on route template attributes decorated on controller or action. ASP.NET Core defines a set of route template attributes to enable attribute routing, such as RouteAttribute, HttpGetAttribute etc. ASP.NET Core OData 8.0 RC supports these ...