SQL code: SELECT * from users WHERE (abNumber = @ab) AND (Pwd = @pwd) OR (cdNumber = @cd) AND (Pwd = @pwd) OR (DataExNumber = @data) AND (Pwd = @pwd) OR (ddNumber = @dd) AND (Pwd = @pwd) OR (CallCenterNumber = @call) AND (Pwd = @pwd) OR (MsgNumber = @msg) AND (Pwd = @pwd) OR (XunHuNumber = @xunhu) AND (Pwd = @pwd) OR (CunChuNumber = @cun) AND (Pwd = @pwd) OR (VirtualNumber = @vir) AND (Pwd = @pwd) OR (VsatNumber = @vsat) AND (Pwd = @pwd)