I have a grid where I'm using a fixed column header. The fixed column works great, but when I set UseFixedHeaders to true, Firefox seems to lose the ability to recalculate the horizontal scroll region. It comes up with the scrollbar able to scroll and show all the columns, but resizing columns no longer changed the scrollable region, so making the columns wider effectively hides the right-most columns. Is there some client-side code I can add to recalculate the scroll region manually to correct this?