ASP and ASP.NET are programming languages developed by Microsoft. Microsoft.com is the best place to go to find out more. You can visit these developer centers at Microsoft.com:
http://msdn.microsoft.com/en-us/library/Aa286483
http://www.serversea.com/support/faqs.php#a22
There is a lot of information on the Internet about ASP, in addition to the documentation at Microsoft.com. Here are some more sites that will help you get started using ASP and ASP.NET:
http://www.asp.net/
http://www.aspfree.com/
http://www.w3schools.com/asp/default.asp
http://www.w3schools.com/aspnet/default.asp