A basic grid with the Pagination extension
Configuration
Show first/last page arrows
Show previous/next page arrows
Show "jump-to" textbox
Number of neighboring page numbers to display to each side of current (0 to disable)
Update Grid
Buttons to test changing column structure:
New Structure
Original
Set to empty store
Set to original store
Add row to original store
An autoheight grid with the Pagination extension, with a rows-per-page drop-down