box 1 select group
box 2 will show only list of item under selected group
lets say i create 2 group which are:
group name: papaya
group name: banana
under group name: papaya, will be 2 item
-papaya A
-papaya B
under group name: papaya, will be 2 item
-papaya A
-papaya B
under group name: banana, will be 2 item
-Banana A
-Banana B
First box will list out 2 group name: banana&papaya
but second box only show selected item under group choose in First box
lets saya i choose Papaya in First box
second box only show Papaya A &B
at the same time every item select and submitted will auto deduct in inventory