PHP分页后转到第二页后的变量

Question

I'm using php pagination in my webpage but after go to 2nd page with help of pagination php rid the variable which I REQUEST from the last page, and getting the error like,

Undefined index: title_no in E:\........\page_name.php on line 7

but when I'm using static variable then its working fine, but in dynamic it's rid the variable after go to 2nd page, This is some code of pagination where I'm getting problem

ob_start();
@session_start();
include("connect.php");
$title_no=@$_REQUEST['title_no'];
$tbl_name="postadd";

$adjacents = 2;
$productQuery = " where visible='1' AND title_no='{$_REQUEST['title_no']}'";

$query = "SELECT COUNT(*) as num FROM $tbl_name $productQuery";
$total_pages_row = mysql_query($query);
$total_pages_num = mysql_fetch_assoc($total_pages_row);
$total_pages = $total_pages_num['num'];

$targetpage = "product_listing_working.php";    
$limit_val = @$_GET['pagesize'];
if($limit_val!='') {
    $limit = $limit_val;
} else {
    $limit = 3;     
}
$page = @$_GET['page'];
if($page) 
    $start = ($page - 1) * $limit;          
else
    $start = 0;

$sql = "SELECT * FROM $tbl_name $productQuery LIMIT $start, $limit";
$result = mysql_query($sql);

Please guide me where I'm going wrong

Thanks in advance

Answer 1

try using

$title_no=@$_GET['title_no'];

EDIT 1

Try this also

$title_no=@$_GET['title_no'];
var_dump($_GET);//get all variables sent to GET
$tbl_name="postadd";

$adjacents = 2;
$productQuery = " where visible='1' AND title_no='.$title_no.'";//changed concataination to a cleaner way