Object reference not set to an instance of an object.SELECT N_ID,N_ANHMINHHOA,N_TRICHDAN,N_TIEUDE,N_NGAYTHANG FROM tblNewsDetail where N_NGONNGU=0 AND N_ACTIVE=1 AND N_NGAYTHANG<=#11/22/2024 12:46:23 PM# AND (N_CATID in(9) OR ( ',' & TOPIC_ID like '%,9,%') or N_CATID in(2) OR ( ',' & TOPIC_ID like '%,2,%') ) ORDER BY N_NGAYTHANG DESC, N_ID DESC