public function widget($args, $instance)
    {
        $categories = get_page_categories();
        $categorySelects = array();
        $idx = 0;
        foreach ($categories as $categorySelection) {
            $categorySelects[$idx]['value'] = $categorySelection->slug;
            $categorySelects[$idx]['option'] = $categorySelection->name;
            $idx++;
        }
        $instance['title'] = apply_filters('widget_title', empty($instance['title']) ? '' : $instance['title'], $instance, $this->id_base);
        $this->echoJs();
        ?>
    <p></p>
    <div class="form-group">
      <h3><?php 
        echo $instance['title'];
        ?>
</h3>
      <select id="mr-cat-filter" name="mr-cat-filter">
        <option value="0" selected="true"><?php 
        _e('&mdash; Select Product &mdash;');
        ?>
</option>
        <?php 
        foreach ($categorySelects as $filterCategory) {
            echo '<option value="' . $filterCategory['value'] . '">' . $filterCategory['option'] . '</option>';
        }
        ?>
      </select>
    </div>
    <?php 
    }
  <div class="container-fluid">
    <div class="row">
      <div class="container">
        <div class="text-center topMargin90 xlgText"><?php 
the_title();
?>
</div>
      </div>
    </div>
  </div>
</div>

<div class="container">
  <div class="row">
    <div class="col-md-8 textGreen">
      <?php 
get_info_exchange_posts();
get_page_categories();
?>
      
    </div>
    <div class="col-md-4">
      <?php 
dynamic_sidebar('Secondary Sidebar');
?>
      <p>&nbsp;</p>
    </div>
  </div>
</div>
 <?php 
get_footer();