unable to get dropdownlist selected index value?
<p>ON ASPX PAGE ,I have one dropdownlist box and one text box. I have added two items in dropdownlist.</p>

<ol>
<li><p>Program</p></li>
<li><p>Batchyear</p></li>
</ol>

<p>On selected index changeded event, if I select listitem <code>Program</code>, I want the textbox to show</p>

<p><code>your program code is:134</code>.</p>

<p>If I select listitem <code>Batchyear</code>, I want the textbox to show </p>

<p><code>your batch year is 2011</code>.</p>

<p>I write code in cs page</p>

<pre><code> protected void ddl_SelectedIndexChanged(object sender, EventArgs e)
 {
   if (ddl.SelectedIndex == 0)
   { 
     TextBox1.Text="your program code is:134" ;
   }

   if (ddl.SelectedIndex == 1)
   { 
      TextBox1.Text="your batch year is 2011" ;
   }

 }
</code></pre>

<p>It is not working. Please help.</p>
