How to set a variable in web.config file of ASP.NET.

web.config

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  .  .  .  
<appSettings>
<add key="cfgWebTitle" value="Memo8.com" />
</appSettings>  
</configuration>  

Use (C#)

string cfgWebTitle=ConfigurationManager.AppSettings["cfgWebTitle"].ToString();
Response.Write(cfgWebTitle);

Reference : http://www.memo8.com/toolkits/archives/487