public JsonResult SaveNewUser(ApplicationUser model, int roleId)
        {
            E_Role currentRole = (E_Role)Enum.Parse(typeof(E_Role), ApplicationRole.GetById(roleId).Name);
            bool   isAdded     = ApplicationUser.AddNew(model.Email, model.UserName, model.Password, currentRole);

            if (isAdded)
            {
                return(Json(true, JsonRequestBehavior.AllowGet));
            }
            return(Json(false, JsonRequestBehavior.AllowGet));
        }