title: DropDownList1.SelectedIndexChanged not working
body: <pre><code>Protected Sub DropDownList1_SelectedIndexChanged(
      ByVal sender As Object,
      ByVal e As System.EventArgs) Handles DropDownList1.SelectedIndexChanged
  
      Context.Response.Write("selectedindexchanged")
  End Sub
  </code></pre>
  
  <p>Why is this not working?</p>