/*
         * The SaveRoles method uses the Model classes to interact with data in the database.
         */
        public ActionResult SaveRoles(string eventID, string items)
        {
            Models.EventData eventData = new Models.EventData();
            string           saved     = eventData.SaveRoles(eventID, items);

            if (saved.StartsWith("Point8020.Error"))
            {
                return(RedirectToAction("TrappedError", "Home", new { ErrorMessage = "Security settings could not be saved: Error Code is: " + saved, SPHostUrl = SharePointContext.GetSPHostUrl(HttpContext.Request).AbsoluteUri }));
            }
            else
            {
                return(RedirectToAction("Events", "Home", new { SPHostUrl = SharePointContext.GetSPHostUrl(HttpContext.Request).AbsoluteUri }));
            }
        }