TreeGrid control supports the following keyboard shortcuts for performing various actions and keyboard navigation can be enabled/disabled by
Home : To select the first row.
End : To select the last row.
F2 : For editing the focused cell of the selected row.
Enter : To save the edited cell.
Delete : To delete the selected row.
Ctrl + Down Arrow : To expand all the parent row.
Ctrl + Up Arrow : To collapse all the parent row.
Left Arrow : To collapse the selected parent row.
Right Arrow : To expand the selected parent row.
Click here to view the online demo sample for Keyboard Navigation.