title: Populate TreeView from DataBase
body: <p>I have a database table (named Topics) which includes these fields :</p>
  
  <ol>
  <li>topicId </li>
  <li>name</li>
  <li>parentId</li>
  </ol>
  
  <p>and by using them I wanna populate a TreeView in c#. How can I do that ?</p>
  
  <p>Thanks in advance...</p>