Task $2\mathrm{.}2$: Add Listeners on the lvItems, lvQuantity, lvCategory and lvExDate ListViews:

This step is already implemented for you. You just need to uncomment the code of this part.

The purpose of this step are:

To retrieve the item information $($item name and item quantity$)$ from the ListViews to TextFields.

To set the value of the quantity unit, item category and expiry date from the ListViews to the ComboBoxes and DatePicker.

To link each item with its information in the other ListViews. If the user choose any item name from the lvItems ListView, the item quantity, category and expiry date for the selected item will be selected in the corresponding ListViews and vice versa.