title: Disable master control from content page
body: <p>I tried:</p>
  
  <pre><code>Master.FindControl("dropdownlist2").disabled=true
  </code></pre>
  
  <p>but it is not working, and I don't want to use <code>visible=true/false</code>.</p>
  
  <p>How should I deal with it?</p>
  
  <p>Thanks very much for advice!</p>