What is Web API OData?

The Open Data Protocol (OData) is a data access protocol for the web. OData provides a uniform way to query and manipulate data sets through CRUD operations (create, read, update, and delete). ASP.NET Web API supports both v3 and v4 of the protocol.

How do I enable OData in Web API?

How to Use Web API OData to Build an OData V4 Service without Entity Framework

1. Create the solution. Create a new solution following File -> New -> Project -> Web, then choose ASP.NET Web Application .
2. Install NuGet packages.
3. Add Models.
4. In-Memory data source.
5. Add Controllers.
6. Configure the Endpoint.
7. Try with it.

Is OData API a REST API?

So, in a sense you are right – the OData is just another REST API and each OData implementation is a REST-ful web service. The difference is that OData is a specific protocol; REST is architecture style and design pattern.

What is use of OData?

The purpose of OData is to provide a protocol that is based on Representational State Transfer (REST) for create, read, update, and delete (CRUD) operations. OData applies web technologies such as HTTP and JavaScript Object Notation (JSON) to provide access to information from various programs.

Is OData XML or JSON?

OData supports two formats for representing the resources (Collections, Entries, Links, etc) it exposes: the XML-based AtomPub format and the JSON format.

How do I get metadata from OData?

Add /$metadata to the URI in the address bar to view the metadata of the OData service. The metadata document displays the relevant information that the OData service provides for an OData client in a CSDL (Common Schema Definition Language).

What is OData metadata?

It returns an EDMX document that contains a complete description of the feeds, types, properties, relationships exposed by the service in EDM. Most OData client libraries use this information to drive the generation of client-side classes to represent server types and aid programmability.

What is EDMX in OData?

EDMX is an XML-based file format that is the packaging format for the service metadata of a data service. When you interact with an OData service that is published from Dynamics NAV, you can request EDM-based proxies and then use tools such as LINQ to create data access logic.

What is OData editLink?

The odata. editLink annotation contains the edit URL of the entity; see [OData-Protocol]. The odata. readLink annotation contains the read URL of the entity or collection; see [OData-Protocol]. . . . For updatable entities: –The odata.