//分配名额显示所有与该会议id无关的小组长
 public List <ParticipantTable> ShowUsersNoConid([FromForm] QuotaData Qd)
 {
     return(_bll.ShowUsersNoConid(Qd.conid, Qd.DaQv, Qd.DiQv, Qd.PhoneOrName));
 }