cara hosting diiidhostinger

saya dach upload beberapa kali tapi error terus dikoneksi nya padahal saya udah ubah ini error nya

 Warning: mysqli_connect() [function.mysqli-connect]: (28000/1045): Access denied for user 'u806940785'@'10.1.2.66' (using password: YES) in /home/u806940785/public_html/index/database/koneksi.php on line 12
Koneksi gagal, coba cek host username atau password

dan ini script koneksinya

 <?php
// session_start();
// $link=mysqli_connect('mysql.idhostinger.com','u806940785_jamal','@jamal1999','u806940785_rencd');
// if (!$link){
//   echo "database tidak ada";
// }

$host = "mysql.idhostinger.com";
$username = "u806940785";
$password = "@jamal1999";
$databasename = "u806940785_rencd";
$connection =mysqli_connect($host,$username,$password,$databasename) or Die ("Koneksi gagal, coba cek host username atau password");
 ?>