add item from combobox to listbox c#

[EDN Admin]

how i can make table or list box with item info by adding item by combobox
another way i need make bill i need when chose the item and click button name add
item info go to printable table or listbox
Item Name - Quantity- Price - total price of items
Item Name - Quantity- Price - total price of items
Item Name - Quantity- Price - total price of items
at last get the total of total prices and i can print the bill
any help ?
C# windows application
koko

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