WEB API TUTORIAL

Step 1: File----> New Project----> ASP .NET Web Application----->Web API

Step 2: Following File Structure Shows after Select Web API.

ValuesController.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Net.Http;

using System.Web.Http;

namespace MyWebApiDemo.Controllers

{

    [Authorize]

    public class ValuesController : ApiController//values controller class inherit from ApiController

    {

        // GET api/values

        public IEnumerable<string> Get()

        {

            return new string[] { "value1", "value2" };

        }

        // GET api/values/5

        public string Get(int id)

        {

            return "value";

        }

        // POST api/values

        public void Post([FromBody]string value)

        {

        }

        // PUT api/values/5

        public void Put(int id, [FromBody]string value)

        {

        }

        // DELETE api/values/5

        public void Delete(int id)

        {

        }

    }

}

Step 3: After Run The Default Application we are getting following Error

Denied For This Request

Step 4: Comment the authorized attribute then run the application

Get method with 2 parameter  [Authorize]

Step 5: Get method pass id parameter then getting following output.

Step 6: After commet the values controller class (default values controller)

Then display below error

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