admin.php

<?php
include "koneksi.php";

$user=$_POST["txtuser"];
$pass=$_POST["txtpass"];

$login  = mysql_query("select * from admin where user='$user' and pass='$pass'");
$ketemu = mysql_num_rows($login);
$r      = mysql_fetch_array($login);

// jika login berhasil diarahkan ke halaman administrator
if (($user==$r['user'])and($pass==$r['pass'])) {
  session_start();
 
  $_SESSION[user]     = $r[user];
  $_SESSION[pass]     = $r[pass];
 
header("location:adminbarang.php");
}
else
{
    echo "<center>User dan Password Salah!<br />";
    echo "<a href='loginadmin.php'> Coba Lagi  </a> </center>";
}
?>