Object reference not set to an instance of an object.SELECT top 300 N_ID,N_ANHMINHHOA,N_TRICHDAN,N_TIEUDE,N_NGAYTHANG FROM tblNewsDetail where N_NGONNGU=0 AND N_ACTIVE=1 AND N_NGAYTHANG<=#4/23/2024 3:38:11 PM# AND (N_CATID in(55) OR ( ',' & TOPIC_ID like '%,55,%') ) ORDER BY N_NGAYTHANG DESC, N_ID DESC