title: export bootstrap table not working
body: <p><a href="https://i.stack.imgur.com/oyMEN.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/oyMEN.jpg" alt="Here is the order in which files are loaded filtered by table"></a></p>
  
  <p><a href="https://i.stack.imgur.com/MKAuf.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/MKAuf.jpg" alt="another image of loads filtered by bootstrap"></a></p>
  
  <pre><code>&lt;table id="table2b"
     data-show-export="true"
     data-toggle="table"
     data-height="350"
     data-search="true" 
     data-show-columns="true"&gt;
  </code></pre>
  
  <p>I am trying to make export work like this <a href="https://github.com/wenzhixin/bootstrap-table-examples/blob/master/extensions/export.html" rel="nofollow noreferrer">https://github.com/wenzhixin/bootstrap-table-examples/blob/master/extensions/export.html</a>
  but I cannot see the export button.</p>