public ActionResult MainTableSave(MainTable mainTable)
        {
            if (!ModelState.IsValid)
            {
                var viewModel = new MainTableFormViewModel
                {
                    MainTable = mainTable,
                    Plcs      = _context.Plcs.ToList(),
                    Units     = _context.Units.ToList(),
                    Labels    = _context.Labels.ToList(),
                    Titles    = _context.Titles.ToList()
                };
                return(View("MainTableForm", viewModel));
            }

            if (mainTable.Id == 0)
            {
                _context.MainTables.Add(mainTable);
                _context.SaveChanges();
                //duplicate new id parameter to IdAsc for asc or desc
                var mainTableInDb = _context.MainTables.Single(c => c.Id == mainTable.Id);

                mainTableInDb.IdAsc = mainTable.Id;
                //  _context.SaveChanges();
                // populate MainTablePropertie table
                var viewModel = new MainTablePropertie
                {
                    MainTablePropertieId = mainTable.Id,
                    SclMax      = 100,
                    SclMin      = 0,
                    IsCutOffMax = false,
                    CutOffMax   = 100,
                    IsCutOffMin = false,
                    CutOffMin   = 0
                };

                _context.MainTableProperties.Add(viewModel);
                _context.SaveChanges();
            }

            else
            {
                var mainTableInDb = _context.MainTables.Single(c => c.Id == mainTable.Id);
                mainTableInDb.LabelId     = mainTable.LabelId;
                mainTableInDb.PlcId       = mainTable.PlcId;
                mainTableInDb.UnitId      = mainTable.UnitId;
                mainTableInDb.TitleId     = mainTable.TitleId;
                mainTableInDb.IsContainer = mainTable.IsContainer;
                mainTableInDb.Container   = mainTable.Container;
                _context.SaveChanges();
            }
            // _context.SaveChanges();
            return(RedirectToAction("MainTable", "Parameters"));
        }
        public ActionResult LimitsSave(MainTablePropertie mainTablePropertie)
        {
            if (!ModelState.IsValid)
            {
                return(View("LimitsForm", mainTablePropertie));
            }

            if (mainTablePropertie.MainTablePropertieId == 0)
            {
                _context.MainTableProperties.Add(mainTablePropertie);
            }
            else
            {
                var mainTablePropertieInDb = _context.MainTableProperties.Single(c => c.MainTablePropertieId == mainTablePropertie.MainTablePropertieId);

                if (!mainTablePropertie.IsCutOffMax)
                {
                    mainTablePropertieInDb.CutOffMax = mainTablePropertie.SclMax;
                }
                else
                {
                    mainTablePropertieInDb.CutOffMax = mainTablePropertie.CutOffMax;
                }

                if (!mainTablePropertie.IsCutOffMin)
                {
                    mainTablePropertieInDb.CutOffMin = mainTablePropertie.SclMin;
                }
                else
                {
                    mainTablePropertieInDb.CutOffMin = mainTablePropertie.CutOffMin;
                }

                mainTablePropertieInDb.IsCutOffMax = mainTablePropertie.IsCutOffMax;
                mainTablePropertieInDb.IsCutOffMin = mainTablePropertie.IsCutOffMin;
                mainTablePropertieInDb.SclMax      = mainTablePropertie.SclMax;
                mainTablePropertieInDb.SclMin      = mainTablePropertie.SclMin;
            }
            _context.SaveChanges();
            return(RedirectToAction("Limits", "Parameters"));
        }