public DataSet GetAbnRec(string getGrade,string getClass,string getName,string getNumber,DateTime getBegDate,DateTime getEndDate) { using ( HealthManagementDataAccess healthManagementDataAccess = new HealthManagementDataAccess() ) { try { return healthManagementDataAccess.GetAbnRec(getGrade,getClass,getName,getNumber,getBegDate,getEndDate); } catch(Exception e) { Util.WriteLog(e.Message,Util.EXCEPTION_LOG_TITLE); return null; } } }