public static string InsertPatientInfo(LPatientInfo pitems)
        {
            int   i        = 0;
            Query _QueryRS = LPatientInfo.CreateQuery();

            try
            {
                if (!LUser.FetchByParameter(LPatientInfo.Columns.PatientId, Comparison.Equals, pitems.PatientId).Read())
                {
                    pitems.IsNew = true;
                    pitems.Save(i);
                    return(_QueryRS.GetMax(LPatientInfo.Columns.PatientId).ToString());
                }
                else
                {
                    return("-1");
                    //throw new Exception(string.Format("Name:{0} Đã tồn tại", pitems.IPAddress));
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }