警告:mysql_num_rows()期望参数1是资源,在/home/elijahrx/public_html/User/register.php在线33给出的布尔值对不起,错了,请稍后再试!有人可以帮我解决这个错误信息吗?我不知道
/* Verfiy whether the user ID exists */
$qry1="SELECT userID FROM User_T WHERE userID='$userID'";
[email protected]_query($qry1);
if (mysql_num_rows($result1)!=0)
{ echo "$userID exists, please try another userID<BR>"; }
else
{
$qry2="insert into User_T (userID, name, password)
values(\"$userID\",\"$name\",\"$password\")";
[email protected]_query($qry2);
if($result2)
{echo "$userID has been successfully registered !"; }
else
{echo "Sorry, something wrong, please try later!"; }
首先通过使用行号,如果错误是在选择或插入查询的所有检查? –
echo mysql_error()检查错误 –
尝试echo $ qry1并在控制台中运行它。 –