public IActionResult OnPost(string lineName, string operatorId)
        {
            line = lines.Value.Where(l => l.LineName == lineName).FirstOrDefault();
            if (line == null)
            {
                //todo: przerobiæ tak by strona not found wyœwietla³a info, ¿e nie zanleziono takiej linii 4 overload RedirectToPage
                return(RedirectToPage("./NotFound"));
            }

            accOperator = accOperatorData.GetOperatorByOperatorId(line, operatorId);
            if (accOperator == null)
            {
                return(RedirectToPage("./NotFound"));
            }

            accOperatorData.RemoveOperator(line, accOperator);
            return(RedirectToPage("./ReworkOperators"));
        }