I'm having a problem getting subtotal and tax displayed from a subroutine into a listbox in VB.NET. I was trying to get the subtotal, tax, and total displayed once a calculate button was pressed. The total is a class level variable and displays with the right calculation I think, but the subtotal and tax give just zeroes. I'm not sure if I'm calling the sub correctly to the calculate button procedure.
Can anyone point me in the right direction with this? Thanks.
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