public async Task <IActionResult> Edit(int?id, MeasurementViewModel viewModel)
{
if (id == null)
{
id = 0;
}
var measure = await _measurementRepository.GetMeasurementByNameAsync(viewModel.Name);
if (measure != default(Measurement))
{
if (id == 0)
{
ModelState.AddModelError("", "Measurement with this name already exist!!!");
}
if ((measure.MeasurementID != id) & (id != 0))
{
ModelState.AddModelError("", "Measurement with this name already exist!!!");
}
}
try
{
if (ModelState.IsValid)
{
var saving1 = await _measurementRepository.SaveMeasurementAsync(viewModel, (int)id);
if (saving1 != null)
{
return(RedirectToAction("Index"));
}
}
}
catch (DbUpdateException /* ex */)
{
//Log the error (uncomment ex variable name and write a log.
ModelState.AddModelError("", "Unable to save changes. " +
"Try again, and if the problem persists " +
"see your system administrator.");
}
return(View(viewModel));
}