Accordion Style
Description
If you opt for an Accordion container for your master control then you have the option of choosing an Accordion style . This property presents two options, single and multiple. Selecting ' Single ' will only allow only one accordion pane to be open at any given time. Selecting ' Multiple ' will allow users to leave panes open while they open additional panes. 'Multiple' is the Accordion style's default setting.
Multiple accordion panes open at once