public async Task <IActionResult> Edit(int id, [Bind("Id,ProcessId,ElementaryFlowId,Value")] ProcessExchanges processExchanges)
        {
            if (id != processExchanges.Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(processExchanges);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!ProcessExchangesExists(processExchanges.Id))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["ElementaryFlowId"] = new SelectList(_context.ElementaryFlows, "Id", "Name", processExchanges.ElementaryFlowId);
            ViewData["ProcessId"]        = new SelectList(_context.Processes, "Id", "Name", processExchanges.ProcessId);
            return(View(processExchanges));
        }
        public async Task <IActionResult> Create([Bind("Id,ProcessId,ElementaryFlowId,Value")] ProcessExchanges processExchanges)
        {
            if (ModelState.IsValid)
            {
                _context.Add(processExchanges);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            ViewData["ElementaryFlowId"] = new SelectList(_context.ElementaryFlows, "Id", "Name", processExchanges.ElementaryFlowId);
            ViewData["ProcessId"]        = new SelectList(_context.Processes, "Id", "Name", processExchanges.ProcessId);
            return(View(processExchanges));
        }