我定义了一个function,但总是有问题,请帮我看看?
<?
include"../inc/connect.php";
$query="select a1 from Table";
$result=mssql_query($query,$id) or die("无法执行数据库操作!");
$row=mssql_fetch_rows($result);
function Outer($UserID,$OutID){
$query1="select Po from User where UserID=".$UserID." and OutID=".$OutID;
$result1=mssql_query($query1,$id) or die("无法执行此数据库操作!");
$row1=mssql_fetch_array($result1);
if ($row1[0]!=""){
echo "yyy";
}else{
echo "nnn";
}
}
?>
<html><body>
<? echo Outer($UserID,$row[$i][0]); ?>
</body></html>
运行的时候总是说$query1="select Po from User where UserID=".$UserID." and OutID=".$OutID;行有错误,“Warning: mssql_query(): supplied argument is not a valid MS SQL-Link resource in c:\web\er.php on line 7
” why?