public async Task <IActionResult> Edit(int id, [Bind("Id,Name,CompartmentId,SubCompartmentId,UnitId")] ElementaryFlow elementaryFlow)
        {
            if (id != elementaryFlow.Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(elementaryFlow);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!ElementaryFlowExists(elementaryFlow.Id))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["CompartmentId"]    = new SelectList(_context.Compartments, "Id", "Name", elementaryFlow.CompartmentId);
            ViewData["SubCompartmentId"] = new SelectList(_context.SubCompartments, "Id", "Name", elementaryFlow.SubCompartmentId);
            ViewData["UnitId"]           = new SelectList(_context.Units, "Id", "Name", elementaryFlow.UnitId);
            return(View(elementaryFlow));
        }
        public async Task <IActionResult> Create([Bind("Id,Name,CompartmentId,SubCompartmentId,UnitId")] ElementaryFlow elementaryFlow)
        {
            if (ModelState.IsValid)
            {
                _context.Add(elementaryFlow);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            ViewData["CompartmentId"]    = new SelectList(_context.Compartments, "Id", "Name", elementaryFlow.CompartmentId);
            ViewData["SubCompartmentId"] = new SelectList(_context.SubCompartments, "Id", "Name", elementaryFlow.SubCompartmentId);
            ViewData["UnitId"]           = new SelectList(_context.Units, "Id", "Name", elementaryFlow.UnitId);
            return(View(elementaryFlow));
        }