Warning:mysql_num_rows():_PHP教程

问题是你的mysql_query()时的sql出现了问题,请仔细查看sql

http://www.bkjia.com/PHPjc/631373.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/631373.htmlTechArticleWarning : mysql_num_rows(): supplied argument is not a valid MySQL result resource in F:\myweb\lzlj\cn.php on line 23 问题是你的mysql_query()时的sql出现了问题,请仔细查...