How Do I Return JSON In Web API?

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..

How do I return JSON in Web API net core?

To return data in a specific format from a controller that inherits from the Controller base class, use the built-in helper method Json to return JSON and Content for plain text. Your action method should return either the specific result type (for instance, JsonResult ) or IActionResult .

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 are the return types of Web API?

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

How do I use authentication on Web API?

To access the web API method, we have to pass the user credentials in the request header. If we do not pass the user credentials in the request header, then the server returns 401 (unauthorized) status code indicating the server supports Basic Authentication.

What is JSON data?

JSON, or JavaScript Object Notation, is a minimal, readable format for structuring data. It is used primarily to transmit data between a server and web application, as an alternative to XML. Squarespace uses JSON to store and organize site content created with the CMS.

How do I return XML and JSON from Web API?

You want to be able to return data from a Web API action method in one of two different formats – JSON or XML, and you want to control which format is used by the extension of the URL. For example /api/Values. xml should format the result as XML, while /api/Values. json should format the result as JSON.

What is the default data return format in Web API?

XML formatBy default Web API returns result in XML format. So if our service need to support both the formats then we need to add code in WebApiConfig. cs file.

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.

Can API return HTML?

To answer the question an API, one that’s restful and one that supports json should absolutely be able to return HTML if that’s the requested content. Yes, this is the correct thing to do, but doesn’t mean the vendor cares.

Can ActionResult return JSON?

ActionResult is an abstract class that an action can return. Use JsonResult when you want to return raw JSON data to be consumed by a client (javascript on a web page or a mobile client).

How do I return XML Web API?

If you return a serializable object, WebAPI will automatically send JSON or XML based on the Accept header that your client sends. If you return a string, you’ll get a string. If you don’t want the controller to decide the return object type, you should set your method return type as System.