Question: What Is The Biggest Disadvantage Of Other Return Types In Web API?

Is JSON a Web service?

JSON-WSP is a web service protocol that uses JSON for service description, requests and responses.

Communication between clients and a JSON-WSP server is carried out using HTTP POST requests and responses, with the JSON objects as data with the content-type application/json..

What are main return types supported in Web API?

The Web API action method can have following return types.Void.Primitive Type/Complex Type.HttpResponseMessage.IHttpActionResult.

What are the differences between WebAPI and WebAPI 2?

WebAPI-2 supports you to configure routes in the controller level or the webAPI method level. Unlike in WebAPI-1 you could only configure routes in the global. asax. The ability configure routes in the controller will come handy when you have complex routes in your service.

How do I return a web API list?

Web API: How To Return List Of Custom Type (JSON)In the Templates pane, select Installed Templates and expand visual C# node and select web. In the list of project Templates, select ASP.NET Web Application and Click OK. … In the new ASP.NET Project dialog, select Web API and Click Ok.We got StudentApp (our Application Name) application with all needed files.

Is API a Web service?

There you have it: an API is an interface that allows you to build on the data and functionality of another application, while a web service is a network-based resource that fulfills a specific task. Yes, there’s overlap between the two: all web services are APIs, but not all APIs are web services.

How do I return a web API view?

So, if you want to return a View you need to use the simple ol’ Controller . The WebApi “way” is like a webservice where you exchange data with another service (returning JSON or XML to that service, not a View). So whenever you want to return a webpage ( View ) for a user you don’t use the Web API.

What is IActionResult?

IActionResult is an interface and ActionResult is an implementation of that interface. ActionResults is an abstract class and action results like ViewResult, PartialViewResult, JsonResult, etc., derive from ActionResult. Let’s say you want to create an action result not catered to by MVC, say an XML result.

What is IHttpActionResult in MVC?

IHttpActionResult – new way of creating responses in ASP.NET Web API 2. … Either return a specific object instance (or void) and let the Web API pipeline convert that to an HttpResponseMessage for you, or return a raw HttpResponseMessage.

Which of the following types are valid response types of Web API 2 action method?

A Web API 2 action method return types can be any of the following :Void.HttpResponseMessage.IHttpActionResult.Other type or Complex type.

What is return OK in Web API?

In this articleReturn typeHow Web API creates the responseHttpResponseMessageConvert directly to an HTTP response message.IHttpActionResultCall ExecuteAsync to create an HttpResponseMessage, then convert to an HTTP response message.Other typeWrite the serialized return value into the response body; return 200 (OK).1 more row•Feb 3, 2014

Is REST API and RESTful API same?

One of the most popular types of API is REST or, as they’re sometimes known, RESTful APIs. REST or RESTful APIs were designed to take advantage of existing protocols. While REST – or Representational State Transfer – can be used over nearly any protocol, when used for web APIs it typically takes advantage of HTTP.

How do I return a JSON string in Web API?

Get ASP.NET Web API To Return JSON Instead Of XMLpublic static void Register(HttpConfiguration config){config.Routes.MapHttpRoute(name: “DefaultApi”, routeTemplate: “api/{controller}/{id}”, defaults: new.{id = RouteParameter.Optional.});//To produce JSON format add this line of code.More items…•

Why should I use IHttpActionResult instead of HttpResponseMessage?

Advantages of using the IHttpActionResult: It makes the controller action method clearer, by hiding the low-level details of constructing the response. IHttpActionResult contains a single method, ExecuteAsync, which asynchronously creates an HttpResponseMessage instance.

How do I return JSON data in Web API?

Let’s explore them:Change the default formatter for Accept: text/html to return JSON. … Change the default formatter for Accept: text/html to return JSON, and also return a valid Content-Type: application/json header. … Completely remove the XML formatter, forcing ASP.NET Web API to return JSON by default.

What is the difference between MVC controller and Web API controller?

There are many differences between MVC and Web API, including: … The Web API returns the data in various formats, such as JSON, XML and other format based on the accept header of the request. But the MVC returns the data in the JSON format by using JSONResult. The Web API supports content negotiation, self hosting.