e-commerce website in asp.net using VB

I dont have any source code however i know few open source e-commerce application that are being created in .Net using C# as the programming language. You can use them for your guidance.

http://www.aspxcommerce.com/

http://www.nopcommerce.com/

http://www.dashcommerce.org/

all of them are free and you can download them and use their ideas to create you e-commerce application in Vb