dataTable.moveRowUp(row1);
rowIndexBox1.setText((row1 - 1) + "");
} else if (sender == moveRowDownButton) {
// Move row down
int row1 = Integer.parseInt(rowIndexBox1.getText());
dataTable.moveRowDown(row1);
rowIndexBox1.setText((row1 + 1) + "");
} else if (sender == swapRowsButton) {
// Swap two rows
int row1 = Integer.parseInt(rowIndexBox1.getText());
int row2 = Integer.parseInt(rowIndexBox2.getText());