Using AJAX to Send Data on Button Click

May 19, 2017, at 6:47 PM

I have a table with multiple columns (index.php). One column is a checkbox. Whenever the checkbox is checked, it displays another column where you can select a quantity.

I want to be able to hit a button called "Add to Order" and have it use AJAX to add any selected rows to the index-order.php page. After all selections have been made, I want to be able to click the "Checkout" button and have it take me to the index-order.php page where it should be displaying all of the added selections in a table.

I know how to navigate to the index-order.php page so my main question is how can I add the selected rows to the index-order.php page by using ajax when pressing the button?

Index.php code:

<form name="form1" action="index-order.php"> 
<section id="checkout-btn"> 
<button type="submit" id="checkout" name="order">Checkout</button>
<form name="form2" method="POST" action="index-order.php"> 
<section id="addToOrder">   
<button type="submit" class="order" id="order" name="order" value="AddToOrder">Add to Order</button>
<table id="merchTable" cellspacing="5" class="sortable">
        <tr class="ui-widget-header">
            <th class="sorttable_nosort"></th>
            <th class="sorttable_nosort">Loc</th>
            <th class="merchRow">Report Code</th>
            <th class="merchRow">SKU</th>
            <th class="merchRow">Special ID</th>
            <th class="merchRow">Description</th>
            <th class="merchRow">Quantity</th>
            <th class="sorttable_nosort">Unit</th>
            <th style="display: none;" class="num">Quantity #</th>
        <?php foreach ($dbh->query($query) as $row) {?>
        <td class="ui-widget-content"><input type="checkbox" class="check" name="check"></td>
        <td name="rows[0][0][loc]" class="loc ui-widget-content" id="loc-<?php echo intval ($row['Loc'])?>"><?php echo $row['Loc'];?></td>
        <td name="rows[0][0][rp-code]" class="rp-code ui-widget-content" align="center" id="rp-code-<?php echo intval ($row['Rp-Code'])?>"><?php echo $row['Rp-Code'];?></td>
        <td name="rows[0][0][sku]" class="sku ui-widget-content" id="sku-<?php echo intval ($row['SKU'])?>"><?php echo $row['SKU'];?></td>
        <td name="rows[0][0][special-id]" class="special-id ui-widget-content" align="center" id="special-id-<?php echo intval ($row['Special-ID'])?>"><?php echo $row['Special-ID'];?></td>
        <td name="rows[0][0][description]" class="description ui-widget-content" id="description-<?php echo intval ($row['Description'])?>"><?php echo $row['Description'];?></td>
        <td name="rows[0][0][quantity]" class="quantity ui-widget-content" data-quantity="<?php echo $row['Quantity'] ?>" align="center" id="quantity-<?php echo intval ($row['Quantity'])?>"><?php echo $row['Quantity'];?></td>
        <td name="rows[0][0][unit]" class="unit ui-widget-content" id="unit-<?php echo intval ($row['Unit'])?>"><?php echo $row['Unit'];?></td>
        <td name="rows[0][0][quant]" style="display: none;" class="quantity_num ui-widget-content"><input type="textbox" style="width: 100px;" class="spinner" name="value" id="test"></td>
    <?php } ?>
<div id="log"></div>


<?php if(isset($_POST['rows'])): ?>
<table cellspacing="20">
    <tr align="center">
        <th>Report Code</th>
        <th>Special ID</th>
        <th>Quantity #</th>
        foreach($_POST['rows'][0] as $row): 
        <tr align="center">
            <td><?php echo $row['loc']; ?></td>
            <td><?php echo $row['rp-code']; ?></td>
            <td><?php echo $row['sku']; ?></td>
            <td><?php echo $row['special-id']; ?></td>
            <td><?php echo $row['description']; ?></td>
            <td><?php echo $row['quantity']; ?></td>
            <td><?php echo $row['unit']; ?></td>
            <td><?php echo $row['quant']; ?></td>
<?php endif; ?>


$(function () {
  $("#order").click(function() {
  //reset the logger
  $('#merchTable input:checkbox:checked').each(function() {
    //for each checked checkbox, iterate through its parent's siblings
    var array = $(this).parent().siblings().map(function() {
      return $(this).text().trim();
    //to print the value of array
    var request = $.ajax({
            type: 'post',
            url: 'index-order.php',
            data: array,
            success: function(){
            error: function(){
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