Indicates if record multi select is allowed. If multi select is allowed, user can select more then one record at a time. This property can be defined during object creation: let grid = new w2grid({ name : 'grid', header : 'Grid Header', multiSelect : false, columns: [ { field: 'recid', text: 'ID', size: '50px' }, { field: 'lname', text: 'Last Name', size: '30%' }, { field: 'fname', text: 'First Name', size: '30%' }, { field: 'email', text: 'Email', size: '40%' }, { field: 'sdate', text: 'Start Date', size: '120px' }, { field: 'sdate', text: 'End Date', size: '120px' } ] }); Or any time after the grid has been created: grid.multiSelect = true; You can optionally enable .show.selectColumn. See w2grid.show for more information.