public IActionResult Update( [Bind("" + "ID," + "Date," + "ClinicID," + "TestStripStock," + // TODO, Add your attributes here. Make sure to include the comma , after the attribute name "")] InventoryModel data) { if (!ModelState.IsValid) { return(NotFound()); } //Look up the ID var dataExist = Backend.Read(data.ID); if (dataExist == null) { return(NotFound()); } var dataResult = Backend.Update(data); if (dataResult == null) { return(NotFound()); } return(RedirectToAction(nameof(Index))); }