Separate column names with a comma.


<div class="page-auto">
    <table class="table table-bordered" style="width: 100%;">
        <thead>
            <tr>
                <th colspan="5" class="page-title">
                    <h4 data-bind="text: 'Report Title' "></h4>
                </th>
            </tr>
            <tr>
                <th>column1</th>
                <th>column2</th>
                <th>column3</th>
                <th>column4</th>
                <th>column5</th>
            </tr>
        </thead>
        <tbody data-bind="foreach: rows">
            <tr>
                <td data-bind="text: column1"></td>
                <td data-bind="text: column2"></td>
                <td data-bind="text: column3"></td>
                <td data-bind="text: column4"></td>
                <td data-bind="text: column5"></td>
            </tr>
        </tbody>
    </table>
</div>