public IActionResult OnGet(int messageId) { messageD = listsData.GetById(messageId); if (messageD == null) { return(RedirectToPage("./NotFound")); } return(Page()); }
public IActionResult OnGet(int?messageId) { if (messageId.HasValue) { message = listsData.GetById(messageId.Value); } else { message = new MessageB(); } if (message == null) { return(RedirectToPage("./NotFound")); } return(Page()); }