What Is The Default Response Format Of A Web API?

By default Web API returns result in XML format .

What is OK () in Web API?

Which is the default HTTP response status code Send by Web API for all the uncaught exceptions?

What happens if a Web API controller throws an uncaught exception? By default, most exceptions are translated into an HTTP response with status code 500 , Internal Server Error.

What is Actionresult in Web API?

Leverage action results to return data as an HttpResponseMessage object from your Web API controller method. ASP.Net Web API is a lightweight framework used for building stateless and RESTful HTTP services. You can take advantage of Action Results in Web API to return data from the Web API controller methods.

What is HttpConfiguration in Web API?

The HttpConfiguration is the main class which includes following properties using which you can override the default behaviour of Web API. Gets or sets the dependency resolver for dependency injection. Gets or sets the filters. Gets or sets the media-type formatters.

How do I format a REST API response?

1. GET – Get single item – HTTP Response Code: 200. ...
2. GET – Get item list – HTTP Response Code: 200. ...
3. POST – Create a new item – HTTP Response Code: 201. ...
4. PATCH – Update an item – HTTP Response Code: 200/204. ...
5. DELETE – Delete an item – HTTP Response Code: 204.

What namespace is required for Web API?

It is very important and basic for Web APIs. The namespace for this class is “ System. Web. Http” .

What is the biggest disadvantage of other return types in Web API?

3. What is the disadvantage of “Other Return Types” in Web API? Ans. The main disadvantage of this approach is that you cannot directly return an error code like 404 error.

What is OData in Web API with example?

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 use Actionresult in Web API?

If we use an entity as an action result in the Web API then we will get the HTTP Response Message as the Entity Type . The response is produced through the serialization of the entity. In the preceding method, the action result is of type Student Entity. The response of this method will be returned as a Student entity.

How do I return a status code with Web API?

You can use the HttpResponseException class to return specific HTTP status codes and messages from your controller methods in Web API. Here is an example. If your Web API returns IHttpActionResult, you might want to write the GetEmployee method as shown below.

What is the difference between Web API and REST API?

How do I use Web API security?

1. Authentication – Determining the identity of an end user. In a REST API, basic authentication can be implemented using the TLS protocol, but OAuth 2 and OpenID Connect are more secure alternatives.
2. Authorization – Determining the resources an identified user can access.

Can we return view from Web API?

You don’t. You can return one or the other, not both . Frankly, a WebAPI controller returns nothing but data, never a view page. A MVC controller returns view pages.

How do I setup a Web API?

1. Create Web API project. In the New Project popup, expand Visual C# and select Web node in the left pane. ...
2. Select Web API Template. Select Web API in the above popup. ...
3. Web API project. ...
4. Web API project. ...
5. Create Web API Project. ...
6. Select Project Template. ...
7. Open NuGet. ...
8. Install Web API Package.

How can we configure Web API?

Configuring Web API with ASP.NET Hosting

In an ASP.NET application, configure Web API by calling GlobalConfiguration. Configure in the Application_Start method . The Configure method takes a delegate with a single parameter of type HttpConfiguration. Perform all of your configuration inside the delegate.