Best solution for creating a regularly scheduled event.

I am primarily an ASP.NET developer using VB.NET.  Occasionally I have the need to write an app that periodically (weekly) does some action (ie. send an email, create a report) based on data.  What are some methods to accomplish this task?

My current solution is to create an .aspx page that does the process and then schedule it via Windows scheduler and a .bat file.  This is prone to issues and I would prefer a more "solid" solution.

Thanks.

Jack.