>What i want to do is e-commerce !!
>Active Server Pages !!
>clientes deal with their customers by the internet !!
>I only work with VFP.
>I really don´t know where to start with !!

Check this out:
http://fox.wikis.com/wc.dll?Wiki~ASPandVFP~VFP

Just read through the conversation, and you should learn how to create dynamic data driven web pages with VFP6. If you have any questions along the way, post them here.