public async Task <IActionResult> Edit(int?id, Seller seller) { if (id.Value != seller.Id) { return(RedirectToAction(nameof(Error), new { message = "ID mismatch" })); } try { await _sellerservice.UpdateASync(seller); return(RedirectToAction(nameof(Index))); } catch (NotFoundException e) { return(RedirectToAction(nameof(Error), new { message = e.Message })); } catch (DbConcurrencyException e) { return(RedirectToAction(nameof(Error), new { message = e.Message })); } }