List<javax.faces.component.UIColumn> columns = ExcelComponent.getChildrenOfType(dataTable.getChildren(), javax.faces.component.UIColumn.class);
columnWidths = parseColumnWidths(uiWorksheet);
int col = 0;
for (javax.faces.component.UIColumn column : columns)
{
ColumnStyle columnStyle = new ColumnStyle(parser.getCascadedStyleMap(column));
boolean cssExport = columnStyle.export == null || columnStyle.export;
if (column.isRendered() && cssExport)
{
uiWorksheet.getChildren().add(column);
Iterator iterator = UIWorksheet.unwrapIterator(dataTable.getValue());