The last link I posted was from google and was behaving strangely. The one below may be more reliable. http://www.telerik.com/forums/column-data-overlapping-after-hiding-the-columns
Here is a possibly related forum post. Column data overlapping after hiding the columns http://www.radmenu.net/forums/column-data-overlapping-after-hiding-the-columns#3HrOcDp0o0G2vALWrXH9iQ