Cannot retrieve QueryString Value From URl
<p>I have pass Url on Anchor tag  Given below:</p>

<pre><code>mail.Body += string.Format("&lt;a href=\"http://www.abc.co.in/Download.aspx?period={0}&amp;ProductName={1}\"&gt;Demo Download&lt;/a&gt;", DateTime.Now, productName); 
</code></pre>

<p>And trying to retrieve this value on pageload of download.aspx page  but it  shows <code>null</code> value on it. My code is: </p>

<pre><code> string PName = Request.QueryString["ProductName"] as string;
</code></pre>
