{ Q1. return BadRequest(ModelState); IHttpActionResult – internally calls will ExecuteAsync for creating an HttpResponseMessage. 2. These 25 solved HR Interview questions will help you prepare for the HR Round conducted during the job interviews for professionals. WCF will support SOAP and XML format, while Web API can support any media format including JSON, XML. API Stands for Application Program Interface. The HTTP verb (GET, PUT, POST, and DELETE) which is sent with each request informs the API what to do with the resource. public Product GetStudentDetails(int rno) • IHttpActionResult This acts as the factory for creating HttpResponseMessage. if (!ProductMasterExists(id)) return “value”; defaults: new { id = RouteParameter.Optional} Answer: Web API is the Microsoft open source technology to develop REST services which is based on HTTP protocol. What is routing in WebAPI? MaxAge = TimeSpan.FromMinutes(20) Answer: OData is stand for Open Data Protocol, it will be a Rest-based data access protocol. public static void Register(HttpConfiguration config) .NET technical interview questions for beginners to 5+ years experienced users. devices in their daily life. REST is an architectural pattern to exchange the data over a distributed environment. 66. API Testing Interview Questions. 6. WEB API is easy for experienced developers in MVC pattern. if (productMaster == null) Answer: Following can consumes WebAPI: It will be help in the Spring REST related questions in the interview. In Token-based authentication –. Yes, It is possible to use Web API with ASP.Net web form. 27. Answer: Route can be defined in the WebApiConfig.cs file, that will be placed in the App_Start directory. { However, there are two main reasons that prompt users to use Web API instead of RESTful services. WebAPI is a framework which helps you to build/develop HTTP services. If the provided credential is valid then the server will send a token to the client. return new MyResult(“Pass”, Request); It is a framework used to build or develop service-oriented applications. Answer: We can perform CRUD operation using entity framework with Web API. 26. ASP.Net Web API will support OData V3 and V4. In WEB API HttpError used to throw the error info in the response body. The reason for the exception can be anything. How to enable SSL to ASP.NET web? 5 ); • HttpPost Is it possible to use RESTful services using WCF? With WCF REST Services. 2. public void Post([FromBody]string value) For example to fetch particular product details the Get method will require an id parameter. 1. • Both have similar concepts such as routing,controllers and models. REST architectural pattern will treat each service as a resource and a client will access these resources by using HTTP protocol methods such as GET, POST, PUT, and DELETE. WEB API is easy for experienced developers in MVC pattern. Therefore, if we want for exposing our service data to the browsers to all these modern devices apps in a fast and simple way, we will have an API which will be compatible with browsers as well as all these devices. Difference Between ASP.NET Web API & WCF, ASP.NET In this article, I will share frequently asked ASP.Net Web API Interview Questions for experienced and freshers to get the right job. With this change, irrespective of the Accept header value (application/xml or application/json), the Web API service will always going to return JSON. [Authorize(Users=”Shiva,Jai”)] return response; For using OData in ASP.Net Web API, We required the OData package by running below command in Package Manager Console. Details Last Updated: 22 October 2020 . This book contains more than 140+ ASP.NET Core interview questions. What is the namespace for IHttpActionResult return type in Web API? Peoples are using iPhone, mobile, tablets etc. Web API is an Application Program Interface used in web applications. [HttpPost] } In this post, we are going to see restful web services interview questions with answers. Answer: WebAPI will return any of the following types: Q20.How to register exception filter globally? Due to this, a programmer can access a set of functions that would allow to access significant data or features of application or operating system etc. This is used for creating a service using HTTP verbs Moves common logic to create HTTP responses to separate classes. [EnableCors(origins: “”, headers: “*”, methods: “*”)]. 33. This DotNet Interview Questions and Answers are designed for beginners as well as experienced programmers looking for a change in their job. Is pattern matching such as a fiddler the Accept header value will be introduced ASP.NET... When we required our service for supporting only JSON from ASP.NET Web API controller action clearer, to the. 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