Example for Soap Exception Handling
http://msdn.microsoft.com/en-us/library/ds492xtk(VS.80).aspx
http://www.developer.com/net/csharp/article.php/3088231/Exception-Handling-in-Web-Services
Change default Web Service Help Page
http://dotnetslackers.com/WSE/re-58366_Customize_the_Default_Web_Service_Help_Page.aspx