ด่วน!!!!!!!!!!!!!! form ซ้อน form ต้องแก้ไขยังไงคะ

<form method="post" action="<? if($_POST[clickok] =="แก้ไขข้อมูล"){echo "EditProductsSave.php";}?>" enctype="multipart/form-data">
                    <tr> 
                      <td><div align="right"><font color="#CCCCCC" size="2">ยี่ห้อสินค้า</font></div></td>
                      <td><font color="#333333" size="2"> 
                        <?php
$host="localhost";
$username="root";
$pass_word="";
$db="shopdb";
mysql_connect( $host,$username,$pass_word) or die ("ติดต่อกับฐานข้อมูล Mysql ไม่ได้ ");
mysql_select_db($db) or die("เลือกฐานข้อมูลไม่ได้"); 
$sqlr = "select * From brandtype";
$resultr = mysql_query($sqlr);
$Num_Rowsr = mysql_num_rows($resultr);
$resultr = mysql_query($sqlr);
echo "<select name=brandcode id=brandcode>";
echo "<option value=0>เลือกยี่ห้อสินค้า";
While($rowr= mysql_fetch_array($resultr)){
$id = $rowr["id"];
$brandcode = $rowr["brandcode"];
$brandname = $rowr["brandname"];

?>
                        <option value="<? echo "$brandcode"; ?> "<?PHP if($brandcode==$brandcode_edit){echo "selected"; }?>><? echo "$brandcode"; ?>-<? echo "$brandname"; ?> 
                        <? 
   } 
   echo "</option></select>";
   ?>
                        </font></td>
                    </tr>
                    <tr> 
                      <td><div align="right"><font color="#CCCCCC" size="2">ประเภทสินค้า</font></div></td>
                      <td><font color="#333333" size="2"> 
                        <?php
$sqlp = "select * From productstype";
$resultp = mysql_query($sqlp);
$Num_Rowsp = mysql_num_rows($resultp);
$resultp = mysql_query($sqlp);
echo "<select name=productstypecode id=productstypecode>";
echo "<option value=0>เลือกประเภทสินค้า";
While($rowp= mysql_fetch_array($resultp)){
$id = $rowp["id"];
$productstypecode = $rowp["productstypecode"];
$productstypename = $rowp["productstypename"];

?>
                        <option value="<? echo "$productstypecode"; ?>"<?PHP if($productstypecode==$productstypecode_edit){echo "selected"; }?>><? echo "$productstypecode"; ?>-<? echo "$productstypename"; ?> 
                        <? 
   } 
   echo "</option></select>";
   ?>
                        </font></td>
                    </tr>
                    <tr> 
                      <td width="137"><div align="right"><font color="#CCCCCC" size="2">รหัสสินค้า</font></div></td>
                      <td width="446"><font color="#CCCCCC" size="2"> 
                        <input type=text name=subproductscode id=subproductscode size=25 value=<? echo "$subproductscode"; ?>>
                        </font></td>
                    </tr>
                    <tr> 
                      <td><div align="right"><font color="#CCCCCC" size="2">ชื่อสินค้า</font></div></td>
                      <td><font color="#CCCCCC" size="2"> 
                        <input type=text name=subproductsname id=subproductsname size=55 value='<? echo $subproductsname; ?>'>
                        </font></td>
                    </tr>
                    <tr> 
                      <td><div align="right"><font color="#CCCCCC" size="2">ราคาขาย 
                          (ปกติ) </font></div></td>
                      <td><font color="#CCCCCC" size="2"> 
                        <input type=text name=price id=price size=25 value=<? echo "$price"; ?>>
                        บาท </font></td>
                    </tr>
	<form method="post" action="?num=<?=$_REQUEST['num'];?>>" enctype="multipart/form-data">
                    <tr>
                      <td><div align="right"><font color="#CCCCCC" size="2">กรอกจำนวน </font></div></td>
                      <td><label>
                        <input name="num" type="text" size="5">
                        <input type="submit" name="Submit" value="ยืนยัน">
                      </label></td>
                    </tr>
					 <?  for($ro=1;$ro<=$num;$ro++){ ?>
					<tr>   
  <td>&nbsp;</td>	<td>
							<select name="number<?=$ro;?>">
							<option value="0">กรุณาเลือกเบอร์+สีทีต้องการ</option>
						<?
									$sql = "SELECT * FROM typeofsize  where brandcode = '$_GET[Brandcode]' ORDER BY id ";
									$result = mysql_query($sql);
									while($row = mysql_fetch_array($result)){ 								
									$typechoose=$row['typechoose'];		
							
						?>
						<option value="<?=$typechoose;?>"><?=$typechoose;?></option>
						
						<? }?>
	</select>               </td>
                   
                      
                    </tr>
					<? }?>
					</form>
                    <tr> 
                      <td><font color="#CCCCCC" size="2">&nbsp;</font></td>
                      <td><font color="#666666" size="2"> 
                        <input name="clickok" id="clickok" type=submit value=แก้ไขข้อมูล>
                        </font></td>
                    </tr>
                  </form>