Source code of dbUpdate2.php
<html>
<head>
<title>Updating information in a database</title>
</head>
<body>
<h2>Updating Prices</h2>
<form action='dbUpdate3.php' method='get'>
<?php
// Rather than listing my MySQL password directly in this PHP
// page, I've stored it in an external file
$inv_id = $_REQUEST['inv_id'];
$allLines = file("mysql.txt");
$password = trim($allLines[0]);
$dbLink = mysql_connect("localhost", "tboegel", $password);
mysql_select_db("clearwater", $dbLink);
$query = "SELECT item_desc, inv_price, inv_id, color, inv_size "
. "FROM inventory, item "
. "WHERE inventory.item_id = item.item_id "
. "AND inventory.inv_id = $inv_id "
. "ORDER BY item_desc, color, inv_size";
$recordset = mysql_query($query, $dbLink);
$row = mysql_fetch_assoc($recordset);
print "<table>";
print "<tr><td>Item:</td><td>{$row['item_desc']}</td></tr>\n";
print "<tr><td>Color:</td><td>{$row['color']}</td></tr>\n";
print "<tr><td>Size:</td><td>{$row['inv_size']}</td></tr>\n";
print "<tr><td>Price:</td>";
print "<td><input type='text' name='newprice' size=8 "
. "value='" . $row['inv_price'] . "'></td></tr>\n";
print "</table>";
mysql_free_result($recordset);
mysql_close($dbLink);
print "<input type='hidden' name='inv_id' value='$inv_id'>";
?>
<input type='submit' value='Update Price'>
</form>
</body>
</html>