title: Trim column names of a DataTable
body: <p>How can i trim column-names of a <code>DataTable</code>?</p>
  
  <p>Suppose the column-name in the <code>DataTable</code> is <code>"Name "</code>, I want it to be changed to <code>"Name"</code>.
  Everything else like data should not change. How to do that?</p>