Configuration of WebApiConfig to call Post Method

Prerequisites

 Visual Studio 2017 Community, Professional, or Enterprise Edition

Step 1: Add following namespaces in your project. 

---------------------------------------

 Step 2: Add following code to your WebApiConfig. to enabled Cors attribute. 

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web.Http;

using System.Web.Http.Cors;

namespace WebApi

{

  public static class WebApiConfig

  {

    public static void Register(HttpConfiguration config)

    {

      // Web API configuration and services

      // Web API routes
// Attribute routing.

      config.MapHttpAttributeRoutes();

      config.Routes.MapHttpRoute(

          name: "DefaultApi",

          routeTemplate: "api/{controller}/{action}/{id}",

          defaults: new { id = RouteParameter.Optional }

      );

      config.Formatters.JsonFormatter.SupportedMediaTypes.Add(new System.Net.Http.Headers.MediaTypeHeaderValue("text/html"));

      var enableCorsAttribute = new EnableCorsAttribute("*",

                          "Origin, Content-Type, Accept",

                          "GET, PUT, POST, DELETE, OPTIONS");

      config.EnableCors(enableCorsAttribute);

    }

  }

}

-------------------------------------------

Step 3:  Update this configuration code to the 'Global.asax'  file.

protected void Application_Start()

{

      GlobalConfiguration.Configure(WebApiConfig.Register);

}

For more information, Please click here...