When working with data driven pages, you might want to put the adjacent grid cells on the page layout. What happens is the cell is empty? By default, the value "[EMPTY]" will appear, which is not very pleasing. To get around this issue, there is a property called emptystr. If you set the emptystr=" " you will see nothing instead of "[EMPTY]."
Code sample below:
< dyn emptystr=" " property="PageNumber_E" type="page" >