handleLoadMoreRows method Null safety
Called when LoadMoreRows function is called from the SfDataGrid.loadMoreViewBuilder.
Call the notifyListeners to refresh the datagrid based on current available rows.
See also,
SfDataGrid.loadMoreViewBuilder - A builder that sets the widget to display at end of the datagrid when end of the datagrid is reached on vertical scrolling.
Implementation
@protected
Future<void> handleLoadMoreRows() async {}