public List<PersonalHistoryDO> GetPersonalHistory(int patientId)
        {
            DataTable dt = _objPatientDAL.GetPersonalHistory(patientId);

            List<PersonalHistoryDO> ph = new List<PersonalHistoryDO>();
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                PersonalHistoryDO p = new PersonalHistoryDO();
                p.PersonalHistoryId = Convert.ToInt32(dt.Rows[i]["PersonalHistoryId"].ToString());
                p.PatientId = Convert.ToInt32(dt.Rows[i]["PatientId"].ToString());
                ph.Add(p);
            }

            return ph;
        }