how can i store values to a href link multiple values in asp.net c#
<p>I want to store lots of values to this link in order to pass the values to aspx page in this style how can i increase the number of values .</p>

<pre><code>htmlBody = string.Format(" Hi "+userName+ 
"\n Thank you for creating an account with RSS MANAGEMENT SYSTEM \n &lt;/ br&gt;" + 
"Please click the below link to activate your account &lt;br /&gt;" + 
"&lt;a href='http://localhost:2386/ActivateUser.aspx?userName{0}&amp;Id={1}'&gt;Activate {0} &lt;/a&gt;",
UName, user_name);
</code></pre>
