ตรวจสอบ Textbox แต่ละแถว บังคับให้กรอกจำนวนแต่ละแถวต้องมากกว่า 10 ขึ้นไป ครับ ถึงจะอนุญาติให้ทำการบันทึกลงฐานข้อมูล

foreach($_POST["qty"] as $key => $value)
{
    if($value != '')
	{
				   
		   if($_POST['code'][$key] != '')
		{
            $codeq = $_POST['code'][$key];
        }	
		
           if($_POST['name'][$key] != '')
		{
            $nameq = $_POST['name'][$key];
        }	
		 
		  if($_POST['price'][$key] != '')
		{
           $priceq = $_POST['price'][$key];
        }	
		
		   if($_POST['qty'][$key] != '')
		{
           $qtyq = $_POST['qty'][$key];
		   
        }



	$sqlp		= "select * from products where p_code ='$codeq'";
	$queryp		= mysql_query($sqlp) or die("error=$sqlp");
	$rowp		= mysql_fetch_array($queryp);
	$un_id		= $rowp['un_id'];
	
	
	
	if($un_id == '2')
	{
		$qty2 += $qtyq;
		
			if(($priceq >= '150')and($qtyq >= '1')and($qtyq <= '50'))
				{
					if(($qty2 >= '1') and ($qty2 <='50'))
					{   
						$sqlt	= "select * from type where t_id ='2'";
						$queryt	= mysql_query($sqlt) or die("error=$sqlt");
						$rowt	= mysql_fetch_array($queryt);
						$com	= $rowt['t_com'];
			
						$sumt3  = ($qty2*$com)*10;
					}
					
				}
				else if(($priceq >= '140')and($priceq <= '149')and($qtyq >= '51')and($qtyq <= '100'))
					
				{
					
					if(($qty2 >= '51') and ($qty2 <='100'))
					{
					$sqlt	= "select * from type where t_id ='3'";
					$queryt	= mysql_query($sqlt) or die("error=$sqlt");
					$rowt	= mysql_fetch_array($queryt);
					$com	= $rowt['t_com'];
			
					$sumt3  = ($qty2*$com)*10;
			
					}
		
				}
				else if(($priceq >= '130')and($priceq <= '139')and($qtyq > '100'))
					
				{
					
					if($qty2 > '100')
					{
						$sqlt	= "select * from type where t_id ='4'";
						$queryt	= mysql_query($sqlt) or die("error=$sqlt");
						$rowt	= mysql_fetch_array($queryt);
						$com	= $rowt['t_com'];
			
						$sumt3  = ($qty2*$com)*10;
			
					}
				}
					else
					{
						exit("<script>alert('ระบุราคาและจำนวนไม่ตรงตามเงื่อนไข !');history.back();</script>");
					}
						
				
	}



    $sql2 = "insert into quotation_detail values (null,'$codeq','$nameq','$priceq','$qtyq','$q_id')";
	$query2 = mysql_query($sql2);

		
}