现在我一点击“下一页”它就出现 Warning: Supplied argument is not a valid MySQL result resource in /......./pic_news/XX.php on line 92 这个错误提示,请问是什么问题呢?以下是XX.php的第90-92行: $sql="select * from XX order by id desc limit $offset,$list_num"; $result=mysql_db_query("XXX",$sql); $num = mysql_num_rows($result);
Warning: Supplied argument is not a valid MySQL result resource in /......./pic_news/XX.php on line 92
这个错误提示,请问是什么问题呢?以下是XX.php的第90-92行:
$sql="select * from XX order by id desc limit $offset,$list_num";
$result=mysql_db_query("XXX",$sql);
$num = mysql_num_rows($result);