element("formID:selectionColumnDataTableID:selectAllFooterID").click();
for (int rowIndex = 0; rowIndex < 8; rowIndex++) {
selectionColumnDataTable.bodyRow(rowIndex).cell(0).assertChecked(false);
}
selectionColumnDataTable.evalExpression("selectAllRows();");
String isHeaderChecked = selectAllHeader.evalExpression("isSelected();");
assertEquals(isHeaderChecked, "true");
String isFooterChecked = selectAllHeader.evalExpression("isSelected();");
assertEquals(isFooterChecked, "true");
}