Error: SELECT Item,Ten FROM dta_sanpham,dta_mcat WHERE dta_sanpham.Id=dta_mcat.ProId and Trangthai=1 and LoaispId IN (,369) and Item NOT IN (1709,2313)  GROUP BY Item  ORDER BY Vitri desc  <br>You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '369) and Item NOT IN (1709,2313)  GROUP BY Item  ORDER BY Vitri desc' at line 1