addRow(dataRow, addRowDirection)
// Samples
grid1.addRow({}, 'after');
grid1.addRow({}, 'before');
grid1.addRow({}, 'top');
grid1.addRow({}, 'bottom');
Row object structure.
// Samples
const rows = grid1.getCheckedRows(); // by checkbox
//const rows = grid1.getSelectedRows(); // by selection
grid1.removeRows(rows);