mysql_num_rows（）期望参数1是资源

本文介绍了mysql_num_rows（）期望参数1是资源的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 限时删除！！ Helo编码器 我正在尝试将记录插入数据库表但我收到此错误 mysql_num_rows（）期望参数1为资源，布线在第107行的C：\ wamp \ www.hn_nations_\\register.php中给出 我不知道出了什么问题。请帮助 include（'localhost.php'）; if（isset（$ _ POST [SubmitButton]））{ $ fullname = $ _ POST ['FirstName']; $性别= $ _ POST ['YourGender']; $ AgeGroup = $ _ POST ['AgeGroup']; $ Organization = $ _ POST ['Org']; $目的= $ _ POST ['目的']; $ NRC = $ _ POST ['NRC']; $省= $ _ POST ['省']; $ dbDate = $ _ POST ['dbDate'] ; $地址= $ _ POST ['地址']; $ query = mysql_query（SELECT * FROM学生WHERE NRC ='$ NRC'）; $ numrows = mysql_num_rows（$ query）; //这是我编辑中的第107行 if（$ numrows == 0）{ $ sql =（INSERT INTO`school`设置FullName ='$ fullname '，Gender ='$ Gender'，AgeGroup ='$ AgeGroup'，Organization ='$ Organization'，目的='$目的'，NRC ='$ NRC'，省='$省'，dbDate ='$ dbDate' ，Address ='$ Address'）; $ result = mysql_query（$ sql）; if（$ result） echo数据已保存; }否则{ echo无法保存数据; } } ？>Helo CodersI'm trying to insert a record into a database table but i'm getting this error mysql_num_rows() expects parameter 1 to be resource, boolean given in C:\wamp\www\United_Nations\register.php on line 107I do not know what is wrong. Please helpinclude('localhost.php');if (isset($_POST["SubmitButton"])){$fullname=$_POST['FirstName'];$Gender=$_POST['YourGender'];$AgeGroup=$_POST['AgeGroup'];$Organisation=$_POST['Org'];$Purpose=$_POST['Purpose'];$NRC=$_POST['NRC'];$Province=$_POST['Province'];$dbDate=$_POST['dbDate'];$Address=$_POST['Address'];$query=mysql_query("SELECT * FROM students WHERE NRC='$NRC'");$numrows=mysql_num_rows($query); // this is line 107 in my editorif($numrows==0){$sql = ("INSERT INTO `students` set FullName='$fullname', Gender='$Gender', AgeGroup='$AgeGroup', Organisation='$Organisation', Purpose='$Purpose', NRC='$NRC', Province='$Province', dbDate='$dbDate', Address='$Address'");$result=mysql_query($sql);if($result)echo " Data has been Saved ";}else {echo "Could not Save Data";}}?>推荐答案 _POST [SubmitButton]））{_POST["SubmitButton"])){ fullname =fullname= _POST ['FirstName'];_POST['FirstName']; 这篇关于mysql_num_rows（）期望参数1是资源的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 1403页，肝出来的..