public async Task <IActionResult> Edit(int id, Chemical chemical)
{
if (id != chemical.ID)
{
return(NotFound());
}
if (ModelState.IsValid)
{
chemical.GHS = 0;
if (chemical.CheckedSymbols != null)
{
foreach (var v in chemical.CheckedSymbols)
{
chemical.GHS += (int)v;
}
}
try
{
_db.Update(chemical);
await _db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ChemicalExists(chemical.ID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(chemical));
}
