OData

Create and consume RESTful APIs in a simple and standard way

OData - OData

Enable Un-typed within ASP.NET Core OData

June 19, 2023 Jun 19, 2023 06/19/23
Sam Xu
Introduction The latest ASP.NET Core OData supports the following two built-in OData abstract types: Edm.Untyped Collection(Edm.Untyped) Developers can use them to advertise a property in OData metadata schema (aka, Edm model) so that such property is declared with a particular name present, but there is no type associated to ...

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 ...

Tutorial: Build gRPC & OData in ASP.NET Core

April 20, 2022 Apr 20, 2022 04/20/22
Sam Xu
Introduction gRPC (google Remote Procedure Call) is a high-performance remote procedure call framework that helps developers to build and consume remote services using the same way as calling local APIs. Different from gRPC, OData (Open Data Protocol) is an OASIS standard that defines a set of best practices for developers to build and ...

$compute and $search in ASP.NET Core OData 8

January 11, 2022 Jan 11, 2022 01/11/22
Sam Xu
Introduction OData system query options, such as $filter, $orderby, are a set of query string parameters that control the amount and order of the data returned for the resource identified by the URL. In the latest version of ASP.NET Core OData, two new system query options as follows are enabled: $compute: allows clients to define ...

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 ...

ASP.NET Core OData 8.0 Preview for .NET 5

October 19, 2020 Oct 19, 2020 10/19/20
Sam Xu
Recently, OData team released the 8.0.0 preview version of ASP.NET Core OData on nuget.org. It is the first version of OData supporting .NET 5, especially for ASP.NET Core 5. This version includes some breaking changes, such as model builder separation, namespace changes and configuration changes etc. Most importantly, the routing mechanism is...

Move OData to .NET 5

April 6, 2020 Apr 6, 2020 04/6/20
Sam Xu
Introduction Along with the Announcing .NET 5 preview 1, it’s time to move OData to .NET 5. This blog is intended to describe how easy to move the BookStore sample introduced in ASP.NET Core OData now Available  onto .NET 5. Let's get started. Install .NET 5 .NET 5 SDK is required to build the .NET 5 application. So, Let’s follow ...