After selecting the check box, the check box values and the sum values are reset when the next page is passed. How should I modify it?
PHP code:
while($row = mysqli_fetch_array($result)){
echo "<tr>";
echo "<td > <input name='amount' type='checkbox' value ='" . $row['amount'] . " ' onclick='totalIt()'></td>";
echo "<td>" . $row['id'] . "</td>";
echo "<td>" . $row['DATE'] . "</td>";
echo "<td>" . $row['amount'] . "</td>";
echo "</tr>";
}
echo "</tbody>";
echo "</table>";
echo " <input value='￦0' readonly='readonly' type='text' name='total' />";
// Free result set
mysqli_free_result($result);
JavaScript code:
function totalIt() {
var input = document.getElementsByName("amount");
var total = 0;
for (var i = 0; i < input.length; i++) {
if (input[i].checked) {
total += parseFloat(input[i].value);
}
}
document.getElementsByName("total")[0].value = "￦" + total;
}
and How can I check one more value in advance?
Related
I have a table, displayied with an echo, where, for each row I'd like to have a button to change a "status" field (I want to update just one field). I am trying to insert a form button into my echo but I don't get anything.
This is my echo code:
while($row = mysql_fetch_array( $result )) {
echo "<tr>";
echo '<td>' . $row['id'] . '</td>';
echo '<td>' . $row['fullname'] . '</td>';
echo '<td>' . $row['message'] . '</td>';
echo '<td>' . $row['country'] . '</td>';
echo '<td>' . $row['email'] . '</td>';
echo '<td>' . $row['website'] . '</td>';
echo '<td>' . $row['date'] . '</td>';
echo "<td>" . $row['status'] . " </td>";
echo "<form action='updatestatus.php' method='post'>";
echo "<input type='hidden' value='".$row['id']."' name='id' />";
echo "<input type='hidden' value='".$row['status']."' name='status' />";
echo "<td><input type='submit' name='submit' value='Submit'></td>";
echo "</form>";
echo '<td>Edit</td>';
echo '<td>Delete</td>';
echo "</tr>";
}
updatestatus.php
// check if the form has been submitted.
if (isset($_POST['submit'])) {
// confirm that the 'id' value is a valid integer before getting the form data
if (is_numeric($_POST['id'])) {
// get form data, making sure it is valid
$id = $_POST['id'];
$status = $_POST['status'];
if ($status == 0) {
$status == 1;
mysql_query("UPDATE personalguestbook SET status='$status' WHERE id='$id'")
or die(mysql_error());
} else {
$status == 0;
mysql_query("UPDATE personalguestbook SET status='$status' WHERE id='$id'")
or die(mysql_error());
}
header("Location: view.php");
}
}
So, if my status field is = 0, I want to change it = 1 and update into my database, and vice versa.
Thanks for your attention
Your form isn't sending anything to updatestatus.php, you can add the data to POST in a hidden form like so:
echo "<form action='updatestatus.php' method='post'>";
echo "<input type='hidden' value='".$row['id']."' name='id' />";
echo "<input type='hidden' value='".$row['status']."' name='status' />";
echo "<td><input type='submit' name='submit' value='Submit'></td>";
echo "</form>";
This is the simple fix to your code above, there are still some security flaws and efficiency methods others have mentioned in the comments.
Check this PHP code
while($row = mysql_fetch_array( $result )) {
echo "<tr>";
echo '<td>' . $row['id'] . '</td>';
echo '<td>' . $row['fullname'] . '</td>';
echo '<td>' . $row['message'] . '</td>';
echo '<td>' . $row['country'] . '</td>';
echo '<td>' . $row['email'] . '</td>';
echo '<td>' . $row['website'] . '</td>';
echo '<td>' . $row['date'] . '</td>';
echo "<td>" . $row['status'] . " </td>";
echo "<td>";
echo "<form action='updatestatus.php' method='post'>";
echo "<input type='hidden' value='".$row['id']."' name='id' />";
echo "<input type='hidden' value='".$row['status']."' name='status' />";
echo "<td><input type='submit' name='submit' value='Submit'></td>";
echo "</form>";
echo "</td>";
echo '<td>Edit</td>';
echo '<td>Delete</td>';
echo "</tr>";
}
updatestatus.php
// check if the form has been submitted.
if (isset($_POST['submit']))
{
// confirm that the 'id' value is a valid integer before getting the form data
if (is_numeric($_POST['id']))
{
// get form data, making sure it is valid
$id = $_POST['id'];
$status = $_POST['status'];
if ($status == 0){
$status == 1;
mysql_query("UPDATE personalguestbook SET status='".$status."' WHERE id='".$id."'")
or die(mysql_error());
} else {
$status == 0;
mysql_query("UPDATE personalguestbook SET status='".$status."' WHERE id='$id'")
or die(mysql_error());
}
header("Location: view.php");
}
}
I currently have two dropdown menus that a user will select the course and a golfer which will load a scorecard.
What I am trying to do now is when a user enters a value into the "Score" field I want the "points" to be automatically shown ("Points" is a read only input field). To do this I am assuming that I will have to give each table row for score and points a specific ID.
echo "<div class='scorecardTable'>
<table 'id=scorecardTable'>
<tr>
<th>HoleNumber</th>
<th>Par</th>
<th>Stroke Index</th>
<th>Score</th>
<th>Points</th>
</tr>'";
while($row = mysqli_fetch_array($result)) {
echo "<tr>";
echo "<td>" . $row['holeNumber'] . "</td>";
echo "<td>" . $row['par'] . "</td>";
echo "<td>" . $row['strokeIndex'] . "</td>";
echo "<td> <input type='text' maxlength='2' id='score' /></td>";
echo "<td> <input type='text' id='points' readonly></td>";
echo "</tr>";
}
echo "</table>";
From the above code I am using PHP to print the information from my database but I was just wondering if anyone would know how to assign a unique ID to each of the score and points input fields so I can apply the calculation to each user input.
You could use a variable to count the rows and set the id.
$rowIndex = 0;
while($row = mysqli_fetch_array($result)) {
echo "<tr>";
echo "<td>" . $row['holeNumber'] . "</td>";
echo "<td>" . $row['par'] . "</td>";
echo "<td>" . $row['strokeIndex'] . "</td>";
echo "<td> <input type='text' maxlength='2' id='score$rowIndex' /></td>";
echo "<td> <input type='text' id='points$rowIndex' readonly></td>";
echo "</tr>";
$rowIndex++;
}
You may also use
id='score[$rowIndex]'
I'm stuck in the delete function, I wonder why my delete button is not functioning, and I already edited my code.
<?php
if ($_SERVER["REQUEST_METHOD"] == "POST")
{
$semester = ($_POST["semester"]);
$level = ($_POST["level"]);
}
?>
Here is the form method:
<form method="post" action="<?php echo($_SERVER["PHP_SELF"]);?>" enctype="multipart/form-data">
Here is to display the data in table form, and SELECT * is functioning
$sql = mysqli_query ($connection, "SELECT * FROM subject");
echo " <table>
<th>Semester</th>
<th>Level</th>
</tr>";
while($record = mysqli_fetch_assoc ($sql)){
echo "<tr>";
echo "<td>" . $record['semester'] . "</td>";
echo "<td>" . $record['level'] . "</td>";
echo "<td>" . "<input type=submit name=delete value=Delete>" . "</td>";
echo "</tr>";
}
This is the delete button code
if (isset($_POST['delete']))
{
$delete = mysqli_query ($connection, "DELETE FROM subject WHERE semester = '($_POST[semester])'");
}
Try this :
while($record = mysqli_fetch_assoc ($sql)){
echo "<tr>";
echo '<form action="mypage.php" method="post">';
echo "<td>" . $record['semester'] . "</td>";
echo "<td>" . $record['level'] . "</td>";
echo "<td>" . $record['course'] . "</td>";
echo "<td>" . $record['subject'] . "</td>";
echo "<td>" . $record['section'] . "</td>";
// And add field form hidden
echo '<input type="hidden" name="semester" value="'.$record['semester'].'">';
echo "<td>" . '<input type="submit" name="delete" value="Delete">' . "</td>";
echo "</form>";
echo "</tr>";
}
if (isset($_POST['delete']) && isset($_POST['semester']))
{
$stmt = $connection->prepare('DELETE FROM subject WHERE semester = ?');
// if $_POST['semester'] is integer else see http://php.net/manual/en/mysqli-stmt.bind-param.php
$stmt->bind_param('i', $_POST['semester']);
$stmt->execute();
}
The Problem: Trying to calculate sum of a total variable which is inside the table invoicesub in the Form Process (2nd page). Trying to make the sum(total) appear in 3rd page which is display_invoice and also get the customer_name in the form process page(2nd page). somehow $_get["$cust_name"]; is not working and im getting a blank from it. Next, after i can get the sum_total variable how do i parse all these to the 4th page using a form?
Edit:http://imageshack.com/a/img19/8729/btls.png (picture of output)
http://imageshack.com/a/img20/8744/s3ut.png (picture of my database)
Too low rep, i cant post images. I uploaded it to image shack. The 1 on top of the table is from the mysqli_num_rows. This is the first row i entered in the form page. The 2nd row is missing
edit:
New Invoicefinal
echo "<table border='1'>\n";
echo "<tr>\n";
echo "<th>Services Rendered</th>\n";
echo "<th>Quantity</th>\n";
echo "<th>Price($)</th>\n";
echo "<th>Discount(%)</th>\n";
echo "<th>Amount</th>\n";
echo "</tr>";
$cname = $_GET["cname"];
global $connection;
$sql1="SELECT description,quantity, amount, discount, total, SUM(total) as sumtotal FROM invoicesub WHERE cust_name='$cname' GROUP BY description ORDER BY id";
$result2 = mysqli_query($connection, $sql1) or die(mysqli_error($connection));
echo $count;
while ($rows = mysqli_fetch_array($result2)){
echo "<tr>";
echo "<td>" . $rows['description'] . "</td>";
echo "<td>" . $rows['quantity'] . "</td>";
echo "<td>" . $rows['amount'] . "</td>";
echo "<td>" . $rows['discount']. "%" . "</td>";
echo "<td>" ."$". $rows['total'] . "</td>";
echo "</tr>";
}
echo "</table>";
?>
<?php
$sql1="SELECT SUM(total) as total_amt FROM invoicesub WHERE cust_name='$cname'";
$result3 = mysqli_query($connection, $sql1) or die(mysqli_error($connection));
while ($rows = mysqli_fetch_array($result3)){
echo "<tr>";
echo "<td>". "Total Amount:" ."$". $rows['total_amt'] . "</td>";
echo "</tr>";
echo "<form action=\"4thpage.php\" method=\"POST\">";
echo "<input type=\"hidden\" name=\"total_amt\"/>";
echo "Customer Paid:";
echo "<input type=\"text\" name=\"paid\" value=\"\"/>";
echo "<input type=\"submit\" name=\"submit\" value=\"Submit\"/>";
echo "<input type=\"button\" value=\"Cancel\" onclick=\"window.location='manage_content.php';\"/>";
echo "</form>";
}
The Form: It consists of a form that can allow more than 1 row of inputs, which means i will have more than 2 descriptions, quantity, amount and discount. Thus, i put them inside an array
Form Process: This is the 2nd page, it will take in all the arrays parsed in, make a loop to insert all the inputted variables in the form into the table invoicesub.
Display_invoice: This is the 3rd page, i want to show all the customer_name, descriptions, quantity, amount, total_amt that was keyed into invoicesub and then do a sum(total) and show it at the bottom of the page. I also want to insert the customer_name, sum(total) variable into the fourth page through the form at display_invoice. Is this possible?
Form
function addTextArea(){
count= count+1;
var div = document.getElementById('name');
div.innerHTML += "<div> <input type='text' name='name[]' value='' "+"id=name"+count+"> </div>";
div.innerHTML += "\n<br />";
var div = document.getElementById('quantity');
div.innerHTML += "<div><input type='text' name='quantity[]' value ='' "+"id=quantity"+count+"></div>";
div.innerHTML += "\n<br />";
var div = document.getElementById('amount');
div.innerHTML += "<div><input type='text' name='amount[]' value ='' "+"id=amount"+count+"></div>";
div.innerHTML += "\n<br />";
var div = document.getElementById('discount');
div.innerHTML += "<div><input type='text' name='discount[]' value ='' "+"id=discount"+count+"></div>";
div.innerHTML += "\n<br />";
}
function removeTextArea(){
document.getElementById("name"+count).remove();
document.getElementById("quantity"+count).remove();
document.getElementById("amount"+count).remove();
document.getElementById("discount"+count).remove();
count = count-1;
}
</script>
</head>
<body>
<form action="invoiceprocess.php" method="POST">
<?php
echo "<table border='2'>\n";
echo "<tr>\n";
echo "<th>Description</th>\n";
echo "<th>Quantity</th>\n";
echo "<th>Amount($)</th>\n";
echo "<th>Discount(%)</th>\n";
echo "</tr>";
echo "<tr>";
echo "<td>"?><input type='text' size="50" name='name[]' value='Examination and Consultation' readonly/><?php "</td>";
echo "<td>"?><input type='text' size="50" name='quantity[]' value='' /><?php "</td>";
echo "<td>"?><input type='text' size="50" name='amount[]' value='' /><?php "</td>";
echo "<td>"?><input type='text' size="50" name='discount[]' value='' /><?php "</td>";
echo "</tr>";
echo "<tr>";
echo "<td>"?><div id="name"></div> <?php "</td>";
echo "<td>"?><div id="quantity"></div> <?php "</td>";
echo "<td>"?><div id="amount"></div> <?php "</td>";
echo "<td>"?><div id="discount"></div> <?php "</td>";
echo "</tr>";
?>
Customer Name:
<br />
<input type="text" name="cust_name" value="" />
<br />
<input type="button" value="Add Description" onClick="addTextArea();">
<input type="button" value="Remove Description" onClick="removeTextArea();">
<input type="submit" name="submit" value="submit">
</form>
</body>
invoiceprocess (The 2nd page)
if (isset($_POST['submit'])){ // Process the form
$name_array = $_POST['name'];
$quantity_array = $_POST['quantity'];
$amount_array = $_POST['amount'];
$discount_array = $_POST['discount'];
$cust_name_array = mysql_prep( $_POST['cust_name']);
for ($i = 0; $i < count($name_array); $i++){
$cust_name = $cust_name_array;
$name = $name_array[$i];
$quantity = $quantity_array[$i];
$amount = $amount_array[$i];
$discount = $discount_array[$i];
$total_amt = ($amount - ($amount * ($discount / 100))) * $quantity;
global $connection;
$query = "INSERT INTO invoicesub (";
$query.= " cust_name, description, quantity, amount, discount, total";
$query.= ") VALUES (";
$query.= " '{$cust_name}', '{$name}', {$quantity}, {$amount}, {$discount}, {$total_amt}";
$query.= ")";
$result = mysqli_query($connection, $query);
}
redirect_to("invoicesubmitfinal.php?cname=".urlencode($cust_name));
}
Display_Invoice(invoicesubmitfinal.php)
echo "<table border='1'>\n";
echo "<tr>\n";
echo "<th>Customer_name</th>\n";
echo "<th>Description</th>\n";
echo "<th>Quantity</th>\n";
echo "<th>Amount($)</th>\n";
echo "<th>Discount(%)</th>\n";
echo "<th>Total_amt</th>\n";
echo "</tr>";
$cust_name = $_GET["$cust_name"];
global $connection;
$sql1="SELECT SUM(total) FROM invoicesub WHERE cust_name='$cust_name'";
$result2 = mysqli_query($connection, $sql1) or die(mysqli_error($connection));
while ($rows = mysqli_fetch_array($result2)){
echo "<tr>";
echo "<td>" . $rows['quantity'] . "</td>";
echo "<td>" . $rows['amount'] . "</td>";
echo "<td>" . $rows['discount']. "%" . "</td>";
echo "<td>" ."$". $rows['total'] . "</td>";
echo "<td>" . "$" . $total_amt . "</td>";
echo "</tr>";
<form action="insertfinal.php" method="POST">
Customer Paid:
<input type="text" name="paid" value="" />
</form>
//query to check if part id number exists in table ATTEND where service id = ...
$result2 = mysql_query("SELECT * FROM attend WHERE SIDno='$SIDno' and ServiceID='$id");
//if exists $ok = true;
if (mysql_num_rows($result2)>0) {
$ok == true;
}
echo "<tr bgcolor=$bgcolor>";
echo "<td><a name=$row1[0] id=$row1[0]>$row1[0]</td>";
echo "<td>" . $row1[1] . "</td>";
echo "<td>" . $row1[5] . "</td>";
echo "<td>" . $row1[2] . "</td>";
echo "<td>" . $row1[3] . "</td>";
echo "<td><input type='checkbox' name='checkbox[]' value=" . $row1[0];
if ($ok == true) {
echo 'disabled="disabled" checked="checked"';
}
echo "></td>";
echo "<input type='hidden' name='ServiceID' value=" . $id . ">";
echo "<input type='hidden' name='Year' value=" . $Year . ">";
echo "<input type='hidden' name='Stype' value='Recollection'>";
echo "</tr>";
}
}
echo "<tr>
<td colspan='5' align='right' bgcolor='#FFFFFF'><input name='SUBMIT1' type='submit' id='SUBMIT'value='SUBMIT'></td>
</tr>";
How can implement that on the next load if the value of the checkbox is already available in the database it will now be checked. but if it is not yet existing i can check it and save it to the database.
I'm guessing the problem lies in this line:
if (mysql_num_rows($result2)>0) {
$ok == true;
}
It should be:
if (mysql_num_rows($result2)>0) {
$ok = true;
}
In the first snippet you are just testing if $ok is equal to true, while in the second example an actual assignment to the variable is performed.
Remember:
= != ==