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EditTeacherInsertion3.php~
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EditTeacherInsertion3.php~
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<html>
<body>
<?php
//$ClassID=$_POST['ClassID'];
//$ClassName=$_POST['ClassName'];
//$ErrorMessage="";
//if (strlen($ClassID)>5) {
// $ErrorMessage="ClassID is too long";
//}
//else
//if (strlen($ClassID)<4) {
// $ErrorMessage="ClassID is too short";
//}
//else {
// $ErrorMessage="";
//}
//if (strlen($ClassName)>20) {
// $ErrorMessage="ClassName is too long";
//}
//else
//if (strlen($ClassID)<5) {
// $ErrorMessage="ClassName is too short";
//}
//}
//else {
// $ErrorMessage="";
//}
$errorMessage = "";
$num_rows = 0;
$InsertionCheck="";
function quote_smart($value,$handle) {
if (get_magic_quotes_gpc()) {
$value = stripslashes($value);
}
if(!is_numeric($value)) {
$value = "".mysql_real_escape_string($value,$handle)."";
}
return $value;
}
$TeacherIDError = $FirstNameError = $LastNameError = "";
$TeacherID = $FirstName = $LastName = "";
function test_input($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
if($_SERVER['REQUEST_METHOD'] == 'POST'){
$TeacherID = $_POST['TeacherID'];
$FirstName = $_POST['FirstName'];
$LastName = $_POST['LastName'];
$PreviousTeacherID= $_POST["tid"];
$PreviousFirstName= $_POST["fn"];
$PreviousLastName= $_POST["ln"];
$TeacherID = htmlspecialchars($TeacherID);
$FirstName = htmlspecialchars($FirstName);
$LastName = htmlspecialchars($LastName);
$IDLength = strlen($TeacherID);
$FirstNameLength = strlen($FirstName);
$LastNameLength = strlen($LastName);
if($IDLength == 3) {
$TeacherIDError = "";
}
else {
$TeacherIDError = $TeacherIDError."TeacherID must be 3 characters".
"<BR>";
}
if($FirstNameLength >= 3 && $FirstNameLength <= 255) {
$FirstNameError = "";
}
else {
$FirstNameError = $FirstNameError."FirstName must be less than or equal to 255 characters and greater than or equal to 3 characters".
"<BR>";
}
"<BR>";
if($LastNameLength >= 3 && $LastNameLength <= 255) {
$LastNameError = "";
}
else {
$LastNameError = $LastNameError."LastName must be less than or equal to 255 characters and greater than or equal to 3 characters".
"<BR>";
}
//if ($_SERVER["REQUEST_METHOD"] == "POST") {
//$name = test_input($_POST["name"]);
// check if name only contains letters and whitespace
// if (!preg_match("/^[a-zA-Z ]*$/",$ClassID)) {
// $ClassIDError = "Only letters and white space allowed";
//}
}
if (ctype_alpha(str_replace(' ', '', $TeacherID)) === false) {
$TeacherIDError = 'TeacherID must contain letters only';
}
if (ctype_alpha(str_replace(' ', '', $FirstName)) === false) {
$FirstNameError = 'FirstName must contain letters only';
}
if (ctype_alpha(str_replace(' ', '', $LastName)) === false) {
$LastNameError = 'LastName must contain letters only';
}
if (empty($TeacherID)) {
$TeacherIDError = "TeacherID is required";
} else {
$TeacherID = test_input($_POST["TeacherID"]);
}
if (empty($FirstName)) {
$FirstNameError = "FirstName is required";
} else {
$FirstName = test_input($_POST["FirstName"]);
}
if (empty($LastName)) {
$LastNameError = "LastName is required";
} else {
$LastName = test_input($_POST["LastName"]);
}
// if (ctype_alpha($TeacherID)) { // Check that the fields TeacherID, FirstName and LastName have only letters
// $TeacherIDError = "";
// } else {
// $TeacherIDError = "TeacherID can only have letters.";
// }
// if (ctype_alpha($FirstName)) {
// $FirstNameError = "";
// } else {
// $FirstNameError = "FirstName can only have letters.";
//}
// if (ctype_alpha($TeacherID)) {
// $LastNameError = "";
//} else {
// $LastNameError = "LastName can only have letters.";
//}
/*presence check */
//echo "Failed";
// fclose($file);//
// test to see if $errorMessage is blank
//if it is, then we can go ahead with the rest of the code
// if it's not, we can display the error
//==========================================================
// Write to the database
//==========================================================
if ($TeacherIDError == ""){
if ($FirstNameError == "") {
if($LastNameError == "") {
$user_name = "root";
$pass_word = "";
$database = "schoolschedule";
$server = "127.0.0.1";
$db_handle = mysql_connect($server,$user_name,$pass_word);
$db_found = mysql_select_db($database,$db_handle);
if($db_found) {
$TeacherID = quote_smart($TeacherID,$db_handle);
$FirstName = quote_smart($FirstName,$db_handle);
$LastName = quote_smart($LastName,$db_handle);
//=======================================================
// CHECK THAT THE TeacherID IS NOT TAKEN
//=======================================================
$InsertionCheck="Update Successful";
$SQLwrite = "UPDATE teacher SET TeacherID='$TeacherID' , FirstName='$FirstName' , LastName='$LastName'
WHERE TeacherID='$PreviousTeacherID' AND FirstName='$PreviousFirstName' AND LastName='$PreviousLastName'";
$TeacherResult = mysql_query($SQLwrite);
}
}
}
}
?>
<link href="MyStyle.css" type="text/css"
rel="stylesheet">
<meta http-equiv="content-type"
content="text/html; charset=ISO-8859-1">
<title>Data Insertion</title>
</head>
<body>
<ul>
<li2>
<img src="logo.png" height="46" width="40">
</li2>
<li><a href="home.php">Home</a></li>
<li><a class="active" href="InsertionMenu.php">Data Insertion</a></li>
<li><a href="assignement.php">Teacher Assignment</a></li>
<li><a href="ScheduleGeneration.php">Generate Schedule</a></li>
<li><a href="">Search Schedule</a></li>
<li><a href="#contact">Contact</a></li>
<ul style="float: right; list-style-type: none;">
<li>
<a href="#about">About</a></li>
<li>
<a href="#login">Login</a></li>
</ul>
</ul>
<div style="text-align: center; font-family: Arial;">
<h1>Data Insertion</h1>
</center>
<form action="EditTeacherInsertion3.php" method="post">
<table
style="width: 100%; height: 516px;"
background="tablebackground.png" border="1"
cellpadding="0" cellspacing="0">
<tr>
<td>
<center>
<h2>
<div style="color: #603813;">
Add a Teacher
</div>
</h2>
</center>
<table style="height: 20px;" align="center" bgcolor="#FFFFFF">
<td>
TeacherID:
</td>
<td>
<input type="text" name="TeacherID"style="text-transform:uppercase"><br>
</td>
<td>
<font color="red"><?php echo $TeacherIDError;?></font><font color = "green"><?php echo $InsertionCheck ?></font>
</td>
</tr>
<tr>
<td>
FirstName:
</td>
<td>
<input type="text" name="FirstName"><br>
</td>
<td>
<font color="red"><?php echo $FirstNameError; ?></font>
</td>
</tr>
<tr>
<td>
LastName:
</td>
<td>
<input type="text" name="LastName"><br>
</td>
<td>
<font color="red"><?php echo $LastNameError;?></font>
</td>
</tr>
<tr>
<td>
<input type="hidden" name="tid" value="<?php echo $PreviousTeacherID; ?>">
<input type="hidden" name="fn" value="<?php echo $PreviousFirstName; ?>">
<input type="hidden" name="ln" value="<?php echo $PreviousLastName; ?>">
<input type="submit">
</td>
<td>
<?php
if ($InsertionCheck=='Update Successful'){
?>
<a href="TeacherInsertion.php"><button type="button">Return</button></a>
<?php
}else {}
?>
</td>
</tr>
</form>
</table>
<center>
<h2>Rules for Teacher Insertion</h2>
</center>
<table align = "center" border="1" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF">
<tr>
<td>
Name
</td>
<td>
Validation
</td>
</tr>
<tr>
<td>
TeacherID
</td>
<td>
1. TeacherID must always be 3 characters longs.
<br>
2. TeacherID must only contain letters.
<br>
3. TeacherID must always be present.
</td>
</tr>
<tr>
<td>
FirstName
</td>
<td>
1. FirstName must be less than or equal to 255 characters and greater than or equal to 3 characters
<br>
2. FirstName must only contain letters.
<br>
3. FirstName must always be present.
</td>
</tr>
<tr>
<td>
LastName
</td>
<td>
1. LastName must be less than or equal to 255 characters and greater than or equal to 3 characters
<br>
2. LastName must only contain letters.
<br>
3. LastName must always be present.
</td>
</tr>
</table>
</table>
<h2><center>Previous Teacher Info</center></h2>
<table border="1" cellpadding="0" style="border-spacing: 0px; height: 40%; width: 50%;" align="center" bgcolor="#FFFFFF">
<tr>
<td >
TeacherID:
</td>
<td>
<?php echo $PreviousTeacherID; ?>
</td>
</tr>
<tr>
<td align='center'>
LastName:
</td>
<td align='center'>
<?php echo $PreviousLastName; ?>
</td>
</tr>
<tr>
<td >
FirstName:
</td>
<td align='center'>
<?php echo $PreviousFirstName; ?>
</td>
</tr>