title: add a row to a datatable from a row in a different datatable
body: <p>i am currently doing this:</p>
  
  <pre><code>    for (int i = 0; i &lt; 15; i++)
      {
          dt_final.Rows.Add(dt.Rows[i]);
      }
  </code></pre>
  
  <p>but i am getting an error that this row belongs to another table. how do i import this row to dt_final table?</p>