String countPersonQuery = "select count(s.SUKANG_ID) as person, COUNT(case when s.SURYO_YN='Y' then s.SURYO_YN end) as suryo, count(distinct o.title) as title, count(distinct m.company_name) as company  from tryler..TOpenKwamok as o"
                                 + " inner join tryler..TSukang as s on s.OPEN_ID = o.OPEN_ID"
                                 + " inner join tryler..TMember as m on m.USER_ID = s.USER_ID"
                                 + " where o.COMPANY_CODE = '"+company_code.SelectedValue+"'"
                                 + " and cast(datepart(year, o.study_start) as varchar) + cast(datepart(month,o.STUDY_START) as varchar) = cast(datepart(year,'"+datepicker.text+"') as varchar) + CAST(DATEPART(month, '"+datepicker.Text+"') as varchar)"
                                 + " and o.TITLE not like '%재수강%'"
                                 + " and s.state ='1'";