Código PHP:
<?php
$host="localhost";
$username="root";
$password="";
$db_name="sanandre_sap";
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
$sql="select *
from sistema
where `destacado` = 'Si'
and `estado` = 'Activo'";
$result=mysql_query($sql);
$count=mysql_num_rows($result);
?>
<table width="500" border="0" cellspacing="1" cellpadding="0">
<form name="form1" method="post" action="">
<tr>
<td>
<table width="500" border="0" cellspacing="1" cellpadding="0">
<tr>
<td align="center"><strong>Id</strong></td>
<td align="center"><strong>x</strong></td>
<td align="center"><strong>x</strong></td>
<td align="center"><strong>x</strong></td>
</tr>
<?php
while($rows=mysql_fetch_array($result)){
?>
<tr>
<td align="center"><?php $id[]=$rows['id']; ?><?php echo $rows['id']; ?></td>
<td align="center"><input name="tipoinmueble[]" type="text" id="tipoinmueble" value="<?php echo $rows['tipoinmueble']; ?>"></td>
<td align="center"><input name="tipodeoperacion[]" type="text" id="tipodeoperacion" value="<?php echo $rows['tipodeoperacion']; ?>"></td>
<td align="center"><input name="barrio[]" type="text" id="barrio" value="<?php echo $rows['barrio']; ?>"></td>
</td>
</tr>
<?php
}
?>
<tr>
<td colspan="4" align="center"><input type="submit" name="Submit" value="Submit"></td>
</tr>
</table>
</td>
</tr>
</form>
</table>
<?php
if($_POST){
$totalRecords = count($_POST);
for($i=0;$i<$totalRecords ;$i++){
$sql1="UPDATE prueba SET tipoinmueble='".$_POST['tipoinmueble'][$i]."', tipodeoperacion='".$_POST['tipodeoperacion'][$i]."', barrio='".$_POST['barrio'][$i]."' WHERE id='".$id[$i]."'";
$result1=mysql_query($sql1);
}
}
if($result1){
header("location:update.php");
}
mysql_close();
?>