public async Task <IActionResult> Edit(string id, [Bind("SupplierId,SupplierName,SupplierAbbr,SupplierClassify,SupplierCompetentProducts,SupplierBuyer,SupplierProvince,SupplierCity,SupplierAddress,SupplierEnable")] Supplier supplier) { if (id != supplier.SupplierId) { return(NotFound()); } if (ModelState.IsValid) { try { _context.Update(supplier); if (await _context.SaveChangesAsync() > 0) { ViewData["SumbitMessge"] = "保存成功!"; } ; } catch (DbUpdateConcurrencyException) { if (!SupplierExists(supplier.SupplierId)) { return(NotFound()); } else { throw; } } // return RedirectToAction(nameof(Index)); } return(View(supplier)); }