public ActionResult DraftBox(string query) { string sessionId = Request.Cookies["sessionId"]?.Value ?? ""; UserInfo userInfo = WebCommon.GetCurrentUser(sessionId); if (string.IsNullOrEmpty(query)) { var mailInfos = MailInfoService.GetAllDraftMail(userInfo.ID); ViewBag.MailInfoList = mailInfos; return(View()); } else { var mailInfos = MailInfoService.GetAllDraftMail(userInfo.ID, query); ViewBag.MailInfoList = mailInfos; return(View()); } }