title: undefine index:no in c:/wamp/www/Hotel 18\confirm_booking.php on line 3
body: <p>error : undefine index:no in c:/wamp/www/Hotel 18\confirm_booking.php on line 3. </p>
  
  <pre><code>    $roomno=$_GET['no'];
      include('connection.php');
      if(isset($_Request['btnconfirm']))
      {
  
      $cust=$_POST['custname'];
      $room=$_POST['custroom'];
      $ar=$_POST['arrv'];
      $dep=$_POST['depr'];
      $total=$_POST['total'];
      echo mysql_query("inserted into checkout(customer_name,room_no,arrival_time,departure_time,total,status) values('$cust','$room','$ar','$dep','$total','PAID')");
      mysql_query("update room_booking set status='Clear' where name='$cust' and roomNo='$room'");
   }
   ?&gt;
  </code></pre>
  
  <p>note: i have taken 'no' as a reference from a page, and it is working quit well, but on submitting the form, still an error occurred related to the <code>$_GET['no']</code>         what mistake i did ?**</p>