Support for fetching nested paths in OData Web API

August 26, 2021 Aug 26, 2021 08/26/21
Clément Habinshuti
BackgroundOData services use nested paths to access properties or entities related to a resource. For example, if you want to access orders of a given customer, you would use a request path like:http://localhost:8080/Customers/1/OrdersMicrosoft.AspNetCore.OData 7.x provides two main approaches for handling such requests: convention ...
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Build formatter extensions in ASP.NET Core OData 8 and hooks in ODataConnectedService

August 23, 2021 Aug 23, 2021 08/23/21
Sam Xu
IntroductionIn 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...

Tutorial: Creating a Service with ASP.NET Core OData 8.0 for .NET 5

July 30, 2021 Jul 30, 2021 07/30/21
Lisi Case
In this document, we will walk through the process of creating a local service using OData 8.0, which is optimized to support ASP.NET Core 5. To learn more about the changes, check out ASP.NET Core OData 8.0 Preview for .NET 5 (which also references ASP.NET Core OData now Available), written by my colleague, Sam. You'll notice that this post ...

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
IntroductionAPI 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
IntroductionAttribute 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 ...

OData Connected Service 0.12.0 Release

February 25, 2021 Feb 25, 2021 02/25/21
Clément Habinshuti
OData Connected Service 0.12.0 has been released on the Visual Studio Marketplace. This release includes the following changes:  Restored default settingsSome default options were inadvertently changed in a previous update, leading to default options that do not make sense for the majority of use cases. We have ...

Passing OData Query Options in the Request Body

December 4, 2020 Dec 4, 2020 12/4/20
John Gathogo
The query options part of an OData URL can be quite long, potentially exceeding the maximum length of URLs supported by components involved in transmitting or processing the request. HTTP does not impose any limits on the length of a URL, however, many hosting environments (including IIS) impose limitations which may restrict the client's ...