In this demo you can:

- try the Card View options

- insert/delete cards (via Ins/Del keys)

- show/hide empty rows (see Options/Show empty rows)

- filter data by clicking a row's filter popup drop-down button

- expand/collapse a card by clicking the card caption's expand button

- temporarily hide a card's rows by dragging them to the Customization dialog (see Options/Rows Customization).

- resize cards by dragging column separators

- see how little code was required