Create columns dynamically and render their style and other attributes from backing beans. Also demonstrate how to customize the Handsontable instance using "updateSettings" and "extender" Javascript. ${showcase:getFileContent('/sections/sheet/example-dynamicColumns.xhtml')} ${showcase:getFileContent('/org/primefaces/extensions/showcase/controller/sheet/SheetDynamicController.java')} ${showcase:getFileContent('/org/primefaces/extensions/showcase/model/sheet/DynaSheetRow.java')} ${showcase:getFileContent('/org/primefaces/extensions/showcase/model/sheet/DynaSheetCell.java')}