public async Task <IActionResult> Create(Country country) { if (ModelState.IsValid) { try { await _countries.CreateAsync(country); return(RedirectToAction("Index")); } catch (DbUpdateException dbUpdateException) { if (dbUpdateException.InnerException.Message.Contains("duplicate")) { ModelState.AddModelError(string.Empty, "There are a record with the same name."); } else { ModelState.AddModelError(string.Empty, dbUpdateException.InnerException.Message); } } catch (Exception exception) { ModelState.AddModelError(string.Empty, exception.Message); } } return(View(country)); }