Showing results for OData - OData

Mar 14, 2023
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Enable CBOR within ASP.NET Core OData

Sam Xu
Sam Xu

Introduction CBOR, which stands for Concise Binary Object Representation, is a data format whose design goals include the possibility of extremely small code size, small message size, and extensibility without the need for version negotiation (from cbor.io). CBOR is based on the wildly successful JSON (aka, JavaScript Object Notation) data model, ...

ASP.NET Core ODataCBORJSON
Mar 9, 2023
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Customize OData payload serialization format within ASP.NET Core OData

Sam Xu
Sam Xu

Introduction JSON (aka, JavaScript Object Notation), a standard text-based format for representing structured data based on JavaScript object syntax, is the default representation for the OData requests and responses payload, see OData JSON format here. It’s a very popular format and widely used in most scenarios. However, there are customers who ...

ODataASP.NET Core ODataCSV
Dec 28, 2022
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Bulk Operations Support in OData Web API

Elizabeth Okerio
Elizabeth Okerio

Good news! OData Web API 7.x now supports bulk operations. Install the most recent version of OData Web API 7.x(v7.6.3) to take advantage of bulk operations. A bulk operation is one that allows you to perform multiple operations (insert, update, delete) on multiple resources (of the same type) and their nested resources (to any level) with a ...

Sep 7, 2022
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Extension: Omit null value properties in ASP.NET Core OData

Sam Xu
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: It’s good for most scenarios. However, omitting those 'annoying' null-value properties from the OData response gets more and more attention. Along with the latest ASP.NET Core ...

ODataASP.NET Core OData
Aug 17, 2022
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Using the new JSON writer in OData

Clément Habinshuti
Clément Habinshuti

version 7.12.2 has introduced a new JSON writer that’s based on .NET’s Utf8JsonWriter. The current JSON writer used in , internally called , is a custom implementation that uses to write the JSON output to the destination stream. We decided to write a new implementation to take advantage of the performance optimizations in . In order not to di...

Apr 20, 2022
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Tutorial: Build gRPC & OData in ASP.NET Core

Sam Xu
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 consume RES...

ODataASP.NET CoregRPC
Feb 22, 2022
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Customizing $filter for spatial data in ASP.NET Core OData 8

Kennedy Kangethe Munga
Kennedy Kangethe Munga

Background The OData URI parser parses the $filter query to a FilterClause. The translates an OData parse tree represented by a FilterClause to an Expression. The can be applied to an and passed to an ORM (e.g Entity Framework Core) for processing. The contains the default implementation on how the Expressions should be created. This cr...

Jan 11, 2022
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$compute and $search in ASP.NET Core OData 8

Sam Xu
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: Along with other query options, $compu...

OData$compute$search
Jan 4, 2022
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The Future of OData NxT (Neo)

Hassan Habib
Hassan Habib

Few months ago I announced a collaboration with the OData team to start building a new version of OData that can withstand the forever changing requirements in software design and architecture. I got together with Sam Xu and we decided to kick-off a spin-off version of OData.NET that I called OData NxT (Neo) OData Neo is an attempt to reconceptu...

Aug 26, 2021
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Adding support for $count segment in $filter collections in OData WebAPI

Kennedy Kangethe Munga
Kennedy Kangethe Munga

Introduction In OData core  v7.9.0 we added improved support for $count segment in $filter collection properties. Previously, versions of OData core had support for: We are constantly improving filtering capabilities in OData WebAPI. In OData WebApi v7.5.9 and OData WebApi v8.0.2, we have added support for the queries below According to t...