// Reverse all rows
dataTable.reverseRows();
} else if (sender == sortColumnButton) {
// Sort a column
int column = Integer.parseInt(columnIndexBox.getText());
dataTable.sortColumn(column);
} else if (sender == makeSortableButton) {
// Make column sortable
int column = Integer.parseInt(columnIndexBox.getText());
scrollTable.setColumnSortable(column, true);
} else if (sender == makeUnsortableButton) {