データベースを管理するための Web ページをセットアップしようとしています。15 行のテーブルがあり、ドロップダウン メニューのあるフォームを介して MySQL データベースにデータを挿入するスクリプトを作成しようとしています。このエラーが発生し続けます：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Staff Database Update Form</title>
<style type="text/css">
.arial {
font-family: Verdana, Geneva, sans-serif;
font-size: 10px;
}
.arial {
font-size: 9px;
}
.arial1 {
font-size: 9px;
}
.ARIALBOLD {
font-weight: bold;
text-align: center;
}
.A1 {
font-family: Arial, Helvetica, sans-serif;
}
.A9 {
font-size: 9px;
}
.Centre {
}
</style>
</head>
<body class="Centre">
<span class="ARIALBOLD">STAFF INFORMATION</span>
<form method="post" action="insert.php">
<table width="442" border="0" align="center">
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial"><strong>NAME</strong></span></th>
<td width="1"> </td>
<td colspan="5"> <span class="arial">
<input type="text" name="staff_name" id="staff_name" />
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial"><strong>ADDRESS</strong></span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<textarea name="home_address" id="home_address" cols="30" rows="5"></textarea>
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">CITY</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<select name="city" id="city">
<option value="London">London</option>
<option value="Luton">Luton</option>
<option value="Birmingham">Birmingham</option>
<option value="Manchester">Manchester</option>
<option value="Reading">Reading</option>
<option value="Coventry">Coventry</option>
<option value="Brighton">Brighton</option>
<option value="Porthsmoth">Porthsmoth</option>
</select>
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">AREA</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<select name="area" id="area">
<option value="City">City</option>
<option value="North">North</option>
<option value="South">South</option>
<option value="West">West</option>
<option value="East">East</option>
<option value="North West">North West</option>
<option value="North East">North East</option>
<option value="South West">South West</option>
<option value="South East">South East</option>
</select>
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">PROFESSION</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<select name="profession" id="profession">
<option value="RGN">RGN</option>
<option value="Physiotherapist">Physiotherapist</option>
<option value="Radiographer">Radiographer</option>
<option value="SALT">SALT</option>
<option value="Pharmacist">Pharmacist</option>
<option value="Doctor">Doctor</option>
<option value="HCA">HCA</option>
<option value="Porter">Porter</option>
</select>
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">SPECIALITY</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<input type="text" name="speciality" id="speciality" />
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">COMPANY</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<input type="text" name="company" id="company" />
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">HOME TEL.</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<input type="text" name="home_tel" id="home_tel" />
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">MOBILE</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<input type="text" name="mobile_tel" id="mobile_tel" />
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">EMAIL</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<input type="text" name="email_address" id="email_address" />
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">PROFESSIONAL BODY</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<select name="pro_body" id="pro_body">
<option value="NMC">NMC</option>
<option value="AHP">AHP</option>
<option value="GMC">GMC</option>
<option value="Others">Others</option>
</select>
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">REGISTRATION</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<input type="text" name="reg_no" id="reg_no" />
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">EXPIERY DATE</span></th>
<td> </td>
<td colspan="5"> <span class="arial">
<input type="text" name="exp_date" id="exp_date" />
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"><span class="arial">PROFILE</span></th>
<td rowspan="2"> </td>
<td colspan="5" rowspan="2"> <span class="arial">
<textarea name="profile" id="profile" cols="30" rows="5"></textarea>
</span></td>
</tr>
<tr>
<th colspan="4" align="left" class="A9" scope="row"> </th>
</tr>
<tr>
<th colspan="10" align="left" class="arial" scope="row"> </th>
</tr>
<tr>
<th width="26" align="left" class="arial" scope="row"> </th>
<th width="22" align="left" class="arial" scope="row"> </th>
<th width="22" align="left" class="arial" scope="row"> </th>
<th width="19" align="left" class="arial" scope="row"> </th>
<th align="left" class="arial" scope="row"> </th>
<th width="30" align="left" class="arial" scope="row"> </th>
<th width="13" align="left" class="arial" scope="row"> </th>
<th width="13" align="left" class="arial" scope="row"> </th>
<th width="56" align="left" class="arial" scope="row"><span class="arial">
<input type="submit" name="submit" id="submit" value="Submit" />
</span></th>
<th width="156" align="left" class="arial" scope="row"><span class="arial">
<input type="reset" name="Reset" id="reset" value="Reset" />
</span></th>
</tr>
</table>
<p> </p>
</form>
</body>
</html>
私のPHPコード:
<?php
$host="localhost"; // Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name=""; // Database name
$tbl_name="staff"; // Table name
// Connect to server and select database.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
// Get values from form
$staff_name=$_POST['staff_name'];
$home_address=$_POST['home_address'];
$city=$_POST['city'];
$area=$_POST['area'];
$profession=$_POST['profession'];
$speciality=$_POST['speciality'];
$company=$_POST['company'];
$home_tel=$_POST['home_tel'];
$mobile_tel=$_POST['mobile_tel'];
$email=$_POST['email'];
$pro_body=$_POST['pro_body'];
$reg_no=$_POST['reg_no'];
$exp_date=$_POST['exp_date'];
$profile=$_POST['profile'];
// Insert data into mysql
$sql="INSERT INTO $tbl_name(SID, staff_name, home_address, city, area, profession, speciality, company, home_tel, mobile_tel, email, pro_body, reg_no, exp_date, profile)VALUES('NUL', '$staff_name', '$home_address', '$city', '$area', '$profession', '$speciality', '$company', '$home_tel', '$mobile_tel', '$email', '$pro_body', '$reg_no', '$exp_date', '$profile')";
$result=mysql_query($sql);
// if successfully insert data into database, displays message "Successful".
if($result){
echo "Successful";
echo "<BR>";
echo "<a href='insert.php'>Back to main page</a>";
} else {
echo "ERROR";
}
?>
<?php
// close connection
mysql_close();
?>