custom controls and query string(asp.net)
<p>How to call a custom control when   query string is changed?</p>

<p>My example not work?Why?</p>

<pre><code>  &lt;% if(Convert.ToInt32(Request.QueryString["id"])==6){  %&gt;


 &lt;answer:answer_n id="give_me_top_five_news" runat="server" /&gt;
     &lt;%} %&gt;


&lt;% if(Request.QueryString["do"]=="registracija"){
       Page.Header.Title = "HHHHH";

        %&gt;
   &lt;reg:f_reg id="custom_controls_for_registration" runat="server" /&gt;

    &lt;%} %&gt;
</code></pre>
