Da php a excel

<?php
       header('Content-type: application/vnd.ms-excel');
       $db = mysql_connect("localhost","root","");
mysql_select_db("capre", $db);
$result =mysql_query("SELECT * FROM foglio1 Where ID=$ID" );
while($myrow=mysql_fetch_array($result))

$query =mysql_query("SELECT * FROM foglio1 Where  Seq='$myrow[Seq]'");
while($myrow=mysql_fetch_array($query))

echo  "<tr>
<td align= 'center'>$myrow[Id]</td>
<td >". wordwrap($myrow[Seq], 75, " ", true) ."</td></tr>";

?>

<?php
   $filename="sheet.xls";
   header ("Content-Type: application/vnd.ms-excel");
   header ("Content-Disposition: inline; filename=$filename");
?>

<form action="trova.php"  method="get" >
           <table width="1019" border="0" align="center" cellpadding="5" cellspacing="0" bordercolor="#c0c0c0" >
             <tr>
               <td>Id <input  name="ID" type="number" />            
                <input type="submit" name="Submit" value="CERCA" />
               <?php
$ID = $_REQUEST["ID"];
   ?> 
            <a href="salvato.php?ID=<?Php$ID?>">SALVA</a>
   
             </tr>
           </table>
            </form>