ช่วยหน้า Edit หน่อยนะคับ มันไม่ส่งค่าไปหน้าอัพเดตคับ ติดหน้านี้มาหลายวันแล้วคับ

<?
	include"connectdb.php";
?>

<?
if($_REQUEST['edit_id'] != "")
{
$id = $_REQUEST['edit_id'];
$sql = "select * from numbertb where num_number = '$id'";
$result = mysql_query($sql) or die(mysql_error());
$row = mysql_fetch_array($result);

$sql2="select * from centertb where centerid='$row[ref_centerid]'";
		$result2=mysql_query($sql2);
		$row2=mysql_fetch_array($result2);
$sql3="select * from exchangetb where exchangeid='$row[ref_exchangeid]'";
		$result3=mysql_query($sql3);
		$row3=mysql_fetch_array($result3);
$sql4="select * from homingtb where homingid='$row[ref_homingid]'";
		$result4=mysql_query($sql4);
		$row4=mysql_fetch_array($result4);
$sql5="select * from symboltb where symbolid='$row[ref_symbolid]'";
		$result5=mysql_query($sql5);
		$row5=mysql_fetch_array($result5);
$sql6="select * from typetb where typeid='$row[ref_typeid]'";
		$result6=mysql_query($sql6);
		$row6=mysql_fetch_array($result6);
$sql7="select * from lbsystemtb where lbsystemid='$row[ref_lbsystemid]'";
		$result7=mysql_query($sql7);
		$row7=mysql_fetch_array($result7);
}
?>

<form id="form1" name="form1" method="post" action="editnum.action.php">
เบอร์โทรศัพท์
<input name="number" type="text" id="number" value="<?=$row['num_number']?>" />
<br />
<br />
ศูนย์บริการ 
<input name="center" type="text" id="center" value="<?=$row2['centername']?>" />
<br />
<br />
ชุมสาย
<input name="exchange" type="text" id="exchange" value="<?=$row3['exchangename']?>"/>
<br />
<br />
homing 
<input name="homing" type="text" id="homing" value="<?=$row4['homingname']?>" />
<br />
<br />
ตัวย่อ 
<input name="symbol" type="text" id="symbol" value="<?=$row5['symbolname']?>" />
<br />
<br />
ประเภท 
<input name="type" type="text" id="type" value="<?=$row6['typename']?>" />
<br />
<br />
ยี่ห้อdslam 
<input name="lbsystem" type="text" id="lbsystem" value="<?=$row7['lbsystem']?>" />
<input type="submit" name="Add" id="Add" value="Edit" />
<input name="edit_id" type="hidden" id="edit_id" value="<?=$_REQUEST['edit_id']?>" />

<a href="edit2.php">กลับ</a>
</form>

<?
	include "connectdb.php";
?>
<?
$number = $_POST['num_number'];
$center = $_POST['centername'];
$exchange = $_POST['exchangename'];
$homing = $_POST['homingname'];
$symbol = $_POST['symbolname'];
$type = $_POST['typename'];
$lbsystrm = $_POST['lbsystem'];
$id = $_REQUEST['edit_id'];

// แก้ไขข้อมูล

$sql_edit = "UPDATE numbertb SET num_number ='$number' WHERE id = '$id'"; 
$result_update=mysql_query($sql_edit);
if($result_update)
{
echo "แก้ไขข้อมูลของ  สำเร็จแล้ว";
}else{
	echo "ไม่สามารถแก้ไขข้อมูลได้";
}
?>