title: child node removing from treeview in c#
body: <p>I need to remove particular child nodes from their parent in treeview control.</p>
  
  <p>For example:</p>
  
  <p><strong>Before Login</strong></p>
  
  <pre><code>home 
  
   -register
  
   -login
  
   -pdf
  </code></pre>
  
  <p><strong>After login</strong></p>
  
  <pre><code>home
  
   -pdf
  </code></pre>
  
  <p>What is the best way to accomplish this?</p>