public ActionResult LoadGrid()
        {
            var status = "error";

            try
            {
                if (!Authenticated)
                {
                    status = "SESSION EXPIRED";
                }
                else
                {
                    var item = db.GetAllItem();
                    status = JsonConvert.SerializeObject(item);
                }
            }
            catch (Exception ex)
            {
                ApplicationExceptionLogging(ex.Message, ex.StackTrace, "ItemManagement", "LoadGrid");
            }
            return(Content(status));
        }