.NET form post
Some good links for WebRequst on .NET
http://www.netomatix.com/HttpPostData.aspx
http://www.developerfusion.co.uk/show/4637/
http://weblogs.asp.net/jan/archive/2003/12/04/41154.aspx
http://weblogs.asp.net/wim/archive/2004/04/02/106281.aspx