refresh แล้ว ค่าไม่รี ช่วยดูให้หน่อยครับ มือใหม่ครับ

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<?
include("../../config.inc/config.inc.php"); 
function DateDiff($strDate1,$strDate2)
	 {
	  return (strtotime($strDate2) - strtotime($strDate1))/  ( 60 * 60 * 24 );  // 1 day = 60*60*24
	 }
	 
	 echo $_POST["hdnCmd"];
	 echo $_POST["txtCode"];
if(isset($_POST["hdnCmd"]) && $_POST["txtCode"]!=""){

$strSQL = "SELECT * FROM stock_tb_savebeg where id_beg = '".$_POST["hdnCmd"]."'";
	$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
	$fetch = mysql_fetch_array($objQuery);
		
	if (trim($_POST["txtCode"] == $fetch["beg_code"])){	               
$strSQL = "UPDATE tbl_user set ";	
	$strSQL .="status = 'on' ";
	$strSQL .="WHERE user_id = '".$fetch["user_id"]."' ";
	$objQuery = mysql_query($strSQL);
	
		if(!$objQuery){
		echo "Error Update [".mysql_error()."]";
	    }
       }  
	  $_POST["hdnCmd"] = '';
	$_POST["txtCode"] = '';    

}  
if(!isset($_GET["Action"])){

echo "รายการขอเบิกทั้งหมด";
		 
$strSQL = "SELECT * FROM stock_tb_savebeg group BY user_id ";
$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
?>
<br></br>
<table width="700" border="1">
  <tr>
    <th> <div align="center">ลำดับ</div></th>
    <th> <div align="center">ชื่อผู้ขอเบิก</div></th>
    <th> <div align="center">วันที่ทำรายการ </div></th>
    <th> <div align="center">สิ้นสุด </div></th>
    <th> <div align="center">จำนวนรายการ </div></th>
    <th> <div align="center">อนุมัติ </div></th>  
  </tr>
<?
while($objResult = mysql_fetch_array($objQuery))
{ 
$query = mysql_query("select * from tbl_user where user_id = '".$objResult["user_id"]."'") or die ("Error Query"); 
	 		    $fetch = mysql_fetch_array($query);
if ($fetch["status"]=="off"){
$strDate1 = date("d-m-Y",strtotime($objResult["date_end"]));
$strDate2 = date("d-m-Y", mktime(date("H")+0, date("i")+0, date("s")+0, date("m")+0 , date("d")+0, date("Y")+0));
$Diff = DateDiff($strDate2,$strDate1);
if ($Diff>=0){
?> 
 <tr>
    <td> <div align="center"><?=$objResult["id_beg"];?></div></td>
    <? $query = mysql_query("select * from tbl_user where user_id = '".$objResult["user_id"]."'") or die ("Error Query"); 
	 		    $fetch = mysql_fetch_array($query);
	?>
    <td> <div align="center"><?=$fetch["name"]." - ".$fetch["lastname"];?></div></td>
     <?
	$query = mysql_query("select max(id_beg) from stock_tb_savebeg where user_id ='".$objResult["user_id"]."'") or die ("Error Query");  		  
			    $Max = mysql_result($query,0);	
			$query = mysql_query("select * from stock_tb_savebeg where id_beg = '".$Max."'") or die ("Error Query"); 
	 		    $fetch = mysql_fetch_array($query);	
					 
	?>
    <td> <div align="center"><?=$fetch["date_start"];?> </div></td>
    <td> <div align="center"><?=$fetch["date_end"];?> </div></td>
    <?
    $query = mysql_query("select * from stock_tb_savebeg where beg_code = '".$fetch["beg_code"]."'") or die ("Error Query"); 
	 		    $fetch = mysql_num_rows($query);
				
				?>
    <td> <div align="center"><?=$fetch;?> </div></td>   
    <td> <div align="center"><a href="complete.php?Action=<?=$objResult["user_id"];?>&row=<?=$Max;?>"><img src="../../images/opts.gif" border="0"></a></td>				
 </tr>
<?
}
}
}
}else{
	
$query = mysql_query("select max(id_beg) from stock_tb_savebeg where user_id ='".$_GET["Action"]."'") or die ("Error Query1");  		  
			    $Max = mysql_result($query,0);	
			$query = mysql_query("select * from stock_tb_savebeg where id_beg = '".$Max."'") or die ("Error Query2"); 
	 		    $fetch = mysql_fetch_array($query);	
			$query = mysql_query("select * from stock_tb_savebeg where beg_code = '".$fetch["beg_code"]."'") or die ("Error Query3"); 				
?>
<form name="frmMain" method="post" action="<?=$_SERVER["PHP_SELF"];?>">
<input type="hidden" name="hdnCmd" value="">
<table width="850" border="1">
  <tr>
   <th> <div align="center">วันที่ทำรายการ </div></th>
    <th> <div align="center">สิ้นสุด </div></th>
    <th> <div align="center">อุปกรณ์  </div></th>
    <th> <div align="center">จำนวน </div></th>
  </tr>
<?
while($objResult = mysql_fetch_array($query))
{ 
$strDate1 = date("d-m-Y",strtotime($objResult["date_end"]));
$strDate2 = date("d-m-Y", mktime(date("H")+0, date("i")+0, date("s")+0, date("m")+0 , date("d")+0, date("Y")+0));
$Diff = DateDiff($strDate2,$strDate1);
if ($Diff>=0){
?> 
 <tr>
    <td> <div align="center"><?=$objResult["date_start"];?> </div></td>
    <td> <div align="center"><?=$objResult["date_end"];?> </div></td>
    <?
    $name = mysql_query("select * from stock_tb_kind_type where kindtypeid = '".$objResult["kindtypeid"]."'") or die ("Error Query2"); 
	 		    $name2 = mysql_fetch_array($name);	
  $Code = $objResult["id_beg"];
   ?>
    <td> <div align="center"><?=$name2["kindtypename"];?> </div></td>
    
    <td> <div align="center"><?=$objResult["total"];?> </div></td>
  
  </tr>
<?
}
}

?>

 <tr>
	<th> <div align="center">ใส่รหัสยืนยันการอนุมัติ </div></th>
    <th> <div align="center">
    <input type="text" name="txtCode" size="10" value="">
    	<input name="btnAdd" type="button" id="btnAdd" value="ยืนยัน" OnClick="frmMain.hdnCmd.value='<?=$Code;?>';frmMain.submit();">
    </div></th>
</tr>

</table>
</form>
<?
}

?>