ssrs 2012 with reportviewer v 10

I have a vs 2010 web application (asp.net) which is using reportviewer control v 10.  My report is one page long but as the user is viewing it and scrolling down I want the column headers to lock in place.  In my old environment (vs 2008 & ssrs 2005) it seemed to add a vertical scroll bar to acheive this.  I imported the ssrs report into the 2012 enviroment so maybe there is an option I'm missing.  Can someone lead me in the right direction?

Thanks