SMART datagrid v.1 > Classes > GridBase
It will be fired if there is keyboard input in grid or editor.
If explicitly return false, it will cancel grid or editor input. For example, if return false when type RIGHT key, you will not be able to do cell moving by right arrow key.
grid.onKeyDown = function (grid, key, ctrl, shift, alt) {
if (key == 39) { // Right arrow key
return false;
}
}