$sql = "select * from management where srl_name LIKE '%$txtKeyword%' OR typ_name LIKE '%$txtKeyword%'
OR mod_name LIKE '%$txtKeyword%' OR add_section LIKE '%$txtKeyword%' OR add_building LIKE '%$txtKeyword%' OR set_name LIKE '%$txtKeyword%' OR emp_name LIKE '%$txtKeyword%' OR emp_id LIKE '%$txtKeyword%' OR emp_rank LIKE '%$txtKeyword%'";