There’s some way to select rows in a grid using the keys ctrl, shift and arrows( up and down )
In current version , if multiselectino enanbled ( grid.enableMultiselect(true); )
click - select single row
ctrl-click - add target row to selection
shift-click - select diaposon of rows between last and current selection.
multiselection from keyboard not included in default API, but grid provides onKeyPress event which can be used to add such actions