public ActionResult AddProductionOrder(ProductionOrder productionOrder)
        {
            var concernId = Convert.ToInt32(Session["ConcernId"]);
            var userId    = Convert.ToInt32(Session["UserId"]);

            if (concernId > 0 && userId > 0)
            {
                _production.AddProductionOrder(productionOrder, concernId, userId);
                return(RedirectToAction(nameof(productionOrder)));
            }
            return(RedirectToAction("LogIn", "GlobalData", new { Area = "Global" }));
        }