ContactController.cs

using Contacts.Helpers;
using Contacts.Models;
using System.Web.Mvc;

namespace Contacts.Controllers
{
    public class ContactController : JsonController
    {
   	private ContactContext ContactsDB = new ContactContext();
        
        public ActionResult GetContacts()
        {
            var Contacts = ContactsDB.Contacts;
            return Json(Contacts, JsonRequestBehavior.AllowGet);
        }    

   }
}