OData

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OData - OData

Deep insert support in OData client

September 22, 2023 Sep 22, 2023 09/22/23
Kennedy Kangethe Munga
In the Deep insert support in OData webapi blog post, we demonstrated how to add deep insert capabilities to an OData service. In this blog post, we demonstrate how to add deep insert capabilities in OData client. In the following sections, we implement a client app. Create a Console application Start Visual Studio 2022 and select ...

Working with media resources in OData – Part 2

August 8, 2023 Aug 8, 2023 08/8/23
John Gathogo
In Part 1 of this blog post, we demonstrated how to implement an OData service that serves media resources. In Part 2, we look at how to implement a client app that interacts with the OData binary large object (BLOB) feed to both retrieve and post binary data along with the metadata for the media resource. The OData BLOB feed created in ...

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 ...

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 ...

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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Enable CBOR within ASP.NET Core OData

March 14, 2023 Mar 14, 2023 03/14/23
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 ...

Bulk Operations Support in OData Web API

December 28, 2022 Dec 28, 2022 12/28/22
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) ...

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 ...

Using the new JSON writer in OData

August 17, 2022 Aug 17, 2022 08/17/22
Clément Habinshuti
Microsoft.OData.Core version 7.12.2 has introduced a new JSON writer that’s based on .NET’s Utf8JsonWriter. The current JSON writer used in Microsoft.OData.Core, internally called JsonWriter, is a custom implementation that uses TextWriter to write the JSON output to the destination stream. We decided to write a new implementation to take ...
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