title: Change the default number of rows displayed in data table
body: <p>i am using  jquery.dataTables.min.js <strong>Version:1.9.2</strong>. I have referred so many examples in web and <strong>stack overflow</strong> too. But i didn't get working. </p>
  
  <p>this is what i have tried yet.</p>
  
  <pre><code>$('.invoSumryTB').dataTable({
      "iDisplayLength": 50,
      "bDestroy": true,
      "bRetrieve": true,  
  });
  </code></pre>