What is IQueryable in Web API?

IQueryable allows you to do what it says on the box: return an object that can be queried from the client. In other words, you can pass through arguments that tell the server what data to retrieve. This is a hot topic on the Web, with some people strongly against the idea and some strongly for it.

What is scaffolding in Web API?

ASP.NET Scaffolding is a code generation framework for ASP.NET Web applications. You add scaffolding to your project when you want to quickly add code that interacts with data models. Using scaffolding can reduce the amount of time to develop standard data operations in your project.

What is Microsoft Web API?

ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the . NET Framework.

What is OData in Web API?

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.

Is IQueryable faster than IEnumerable?

IQueryable : IQueryable fetches the Record based on filter wise. IQueryable is faster than IEnumerable. In addition to Munesh Sharma’s answer:IEnumerable loads data in-memory and then apply filters to it one by one but IQueryable apply filters all at once and return the result.

Which is better IQueryable or IEnumerable?

IEnumerable: IEnumerable is best suitable for working with in-memory collection (or local queries). IEnumerable doesn’t move between items, it is forward only collection. IQueryable: IQueryable best suits for remote data source, like a database or web service (or remote queries).

What is scaffolding a controller?

The Scaffolder allows you to create an API controller that uses an Entity Framework Core data model or XPO data model to access data. The scaffolded API controller contains REST actions that perform CRUD operations on entities from a selected database context or data model.

What is Web API example?

For example, Twitter’s REST APIs provide programmatic access to read and write data using which we can integrate twitter’s capabilities into our own application….ASP.NET Web API vs WCF.

Web API	WCF
Uses routing and controller concept similar to ASP.NET MVC.	Uses Service, Operation and Data contracts.

Is OData an API?

OData (Open Data Protocol) is an OASIS standard that defines the best practice for building and consuming RESTful APIs. OData RESTful APIs are easy to consume. The OData metadata, a machine-readable description of the data model of the APIs, enables the creation of powerful generic client proxies and tools.

Is OData JSON?

OData supports the JSON format to make consuming OData services from Javascript applications simple since JSON can be easily be turned into JavaScript objects for programmatic manipulation using the Javascript eval( ) function.

What does returning IQueryable do in web API?

Now I want to look at returning IQueryable from Web API methods. IQueryable allows you to do what it says on the box: return an object that can be queried from the client. In other words, you can pass through arguments that tell the server what data to retrieve.

What can I do with a queryable web API?

I’ve got a Web API where I’d like to offer some (limited) queryable endpoints for stuff like paging, ordering and pre-selecting results (database-wise: columns included in the dto).

How to make ASP.NET Core API controller methods queryable?

Make ASP.NET Core api controller methods queryable with a single attribute May 12, 2019 tl;dr:In this post we are going to apply the [EnableQuery]attribute to a web api controller method representing a GET endpoint. This enables clients to query the underlying data source.

How is IQueryable used in Visual Studio 11?

In that post, I showed a couple of approaches to dealing with JSON serialization problems in the Visual Studio 11 beta. Now I want to look at returning IQueryable from Web API methods. IQueryable allows you to do what it says on the box: return an object that can be queried from the client.