I was poking around a little and found a sproc:

GetReportForExecution

It is in the ReportingServices Database.  Unfortunately I can't do more investigation with my current setup but it may...

Unfortunately you cannot display field data in the header.  There is a blog somewhere explaining this in more detail, but dont loose hope!  What you might want to try instead...

If you are using SQL2000, the options specified by the other posters will work just fine.  If you are using SQL2005 there is a copy file transform (well you can...

Thank you for your response.  I had considered an option similar to that but that still doesn't get over the fact that the user has the file and then will have...