เรื่องให้ซ่อนข้อมูลเอาไว้ แล้วโชว์ข้อมูลเมื่อคลิ๊กปุ่ม โดยไม่เปลี่ยนหน้าครับ

<?php
include('db_connector.php');
$sql="select*from userinfo";
mysql_query("SET NAMES UTF8");
$sqlquery=mysql_db_query($dbname,$sql);
$num=mysql_num_rows($sqlquery);

echo "There are $num members registered";

echo "<table align=center width=35% cellpadding=0 cellspacing=4>";
	echo "<tr align=center background=table_bg.png>";
		echo "<td><b>Username</b></td>";
		echo "<td><b><nobr>ชื่อ-นามสกุล</nobr></b></td>";
		echo "<td><b>ที่อยู่</b></td>";
		echo "<td><b>อีเมล์</b></td>";
		echo "<td><b>โทรศัพท์</b></td>";
		echo "<td><b>วันเกิด</b></td>";
		echo "<td><b>เพศ</b></td>";
	echo "</tr>";
while($row=mysql_fetch_array($sqlquery))
{
$username=$row['username'];
$name=$row['name'];
$address=substr($row['address'],0,32);
$email=$row['email'];
$tel=$row['tel'];
$birthdate=$row['birthdate'];
$gender=$row['gender'];
	echo "<tr align=center background=table_bg.png>";
		echo "<td>$username</td>";
		echo "<td><nobr>$name</nobr></td>";
		echo "<td><nobr>$address&nbsp;</nobr></td>";
		echo "<td>$email</td>";
		echo "<td>$tel</td>";
		echo "<td><nobr>$birthdate</nobr></td>";
		echo "<td>$gender</td>";
	echo "</tr>";
}
echo "</table>";
mysql_close();
?>