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<=#7/16/2024 6:51:11 AM# AND (N_CATID in(242,241,240,239,238,237,224,223,222,221,220,219,218,217,230,229,228,84) OR ( ',' & TOPIC_ID like '%,84,%') ) ORDER BY N_NGAYTHANG DESC, N_ID DESC