public override void Initialize(string name, 
  System.Collections.Specialized.NameValueCollection config)
{
   base.Initialize(name, config);

   _AppName = config["applicationName"];

   if (String.IsNullOrEmpty(_AppName))
   {
      _AppName = "/";
   }

   _FileName = config["xmlUserDatabaseFile"];

   if (String.IsNullOrEmpty(_FileName))
   {
      _FileName = "~/App_Data/Users.xml";
   }
}
