Modifying App.Config file at the time of installation using c#
<pre><code>&lt;configuration&gt;
  &lt;configSections&gt;
    &lt;section name="ADMIN" type="System.Configuration.DictionarySectionHandler"/&gt;
  &lt;/configSections&gt;
  &lt;User&gt;    
    &lt;add key="ExtendTime" value="20"/&gt;
    &lt;add key="Name" value="sss"/&gt;
  &lt;/User&gt;
&lt;configuration&gt;
</code></pre>

<p>i have to remove first child element in user config section i.e . Reply me if you have any idea for this.</p>

<p>i am using </p>

<pre><code>Configuration config = ConfigurationManager.OpenExeConfiguration(Context.Parameters["assemblypath"]);
ConfigurationSection section = config.GetSection("USER");
</code></pre>
