public async Task <IActionResult> Edit(int id, [Bind("Id,Name,NumberCAS,HazardClass,MaximumPermissibleConcentrationOneTimeMaximum,MaximumPermissibleConcentrationDailyAverage,ApproximateSafeExposureLevel")] AirContaminant airContaminant)
        {
            if (id != airContaminant.Id)
            {
                return(NotFound());
            }
            if (ModelState.IsValid)
            {
                HttpResponseMessage response = await _HttpApiClient.PutAsJsonAsync(
                    $"api/AirContaminants/{airContaminant.Id}", airContaminant);

                string OutputViewText = await response.Content.ReadAsStringAsync();

                OutputViewText = OutputViewText.Replace("<br>", Environment.NewLine);
                try
                {
                    response.EnsureSuccessStatusCode();
                }
                catch
                {
                    dynamic errors = JsonConvert.DeserializeObject <dynamic>(OutputViewText);
                    foreach (Newtonsoft.Json.Linq.JProperty property in errors.Children())
                    {
                        ModelState.AddModelError(property.Name, property.Value[0].ToString());
                    }
                    return(View(airContaminant));
                }

                airContaminant = await response.Content.ReadAsAsync <AirContaminant>();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(airContaminant));
        }
        public async Task <IActionResult> Edit(int?id)
        {
            AirContaminant      airContaminant = null;
            HttpResponseMessage response       = await _HttpApiClient.GetAsync($"api/AirContaminants/{id.ToString()}");

            if (response.IsSuccessStatusCode)
            {
                airContaminant = await response.Content.ReadAsAsync <AirContaminant>();
            }
            return(View(airContaminant));
        }
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        public async Task <IActionResult> PostAirContaminant([FromBody] AirContaminant airContaminant)
        {
            var airContaminants = _context.AirContaminant.AsNoTracking().ToList();

            if (_context.AirContaminant.AsNoTracking().FirstOrDefault(a => a.Name == airContaminant.Name) != null)
            {
                ModelState.AddModelError("Name", "An object with this value already exists!");
            }

            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            _context.AirContaminant.Add(airContaminant);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetAirContaminant", new { id = airContaminant.Id }, airContaminant));
        }
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        public async Task <IActionResult> PutAirContaminant([FromRoute] int id, [FromBody] AirContaminant airContaminant)
        {
            var airContaminants = _context.AirContaminant.AsNoTracking().ToList();

            if (_context.AirContaminant.AsNoTracking().FirstOrDefault(a => a.Name == airContaminant.Name && a.Id != airContaminant.Id) != null)
            {
                ModelState.AddModelError("Name", "An object with this value already exists!");
            }

            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != airContaminant.Id)
            {
                return(BadRequest());
            }

            _context.Entry(airContaminant).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!AirContaminantExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }