title: how to add a row in existing datatable
body: <p>In a vb.net Windows Application, I have a datatable wich is not from a database. I want to add a new row, but when I add a new row only the new row is in the datatable, not the existing data.</p>
  
  <p>dim dt as datatable treelist.datasource=dt this is existing item here in any event i want to add the new row in the datatable so that new node is added to the treelist </p>
  
  <p>thanks for your help....</p>