public ActionResult ManageContact(int id = 0)
        {
            ViewBag.ContactId = id;
            Contact model = null;

            if (id > 0)
            {
                model = _contactBL.GetContactByID(id);
            }

            if (model == null)
            {
                model = new Contact();
            }

            return(View("ManageContact", model));
        }