Like everyone else who gets banned, it was due to violating our rules (see the Acceptable Use Policy link at the bottom of all VBForums pages), and we cannot go in to more detail than that.
If you have a question about the code, you should post it here - as there is a very good chance that somebody else will be able to answer it.
If you actually want to contact him for something else, click on his username and select "Send email ...". It may not work, as he might not have access to the email address he registered with us.