// ADD

        public ActionResult AddDriverGroup(DriverGroupModel driverGroup)
        {
            try
            {
                var results = driverGroupAdapter.AddDriverGroup(driverGroup);

                if (results != 1)
                {
                    return(View("~/Views/Error/AddDriverGroupError.cshtml"));
                }

                return(RedirectToAction("ViewAllDriverGroups"));
            }
            catch
            {
                return(View("~/Views/Error/AddDriverGroupError.cshtml"));
            }
        }