burgwyn

StringBuilder sb = new StringBuilder();

if (ConfigurationManager.AppSettings.HasKeys())
{
        sb = new StringBuilder( "<ul style=\"list-style-type:none;\">" );

       	foreach (string key in ConfigurationManager.AppSettings.Keys)
	{
               	sb.AppendFormat( "<li><strong>{0}</strong> - {1}</li>", key, ConfigurationManager.AppSettings[key] );
        }