Allow CORS Asp.net Framework in Global.asax.cs

Allow_CORS_Asp.net_Framework_Global.asax.cs

using System;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.Http;

namespace App
{
    public class WebApiApplication : HttpApplication
    {

        protected void Application_BeginRequest(object sender, EventArgs e)
        {
          EnableCORS();
        }

        private void EnableCORS()
        {
            try
            {
                var context = HttpContext.Current;
                var response = context.Response;

                // enable CORS
                response.AddHeader("Access-Control-Allow-Origin", "*");
                response.AddHeader("X-Frame-Options", "ALLOW-FROM *");

                if (context.Request.HttpMethod == "OPTIONS")
                {
                    response.AddHeader("Access-Control-Allow-Methods", "*");
                    response.AddHeader("Access-Control-Allow-Headers", "*");
                    response.AddHeader("Access-Control-Max-Age", "1728000");
                    response.End();
                }
            }
            catch (Exception)
            {
                
            }
        }

        

    }
}