Can you elaborate how you want to operate with these list boxes?
If you enable always one selected values on e.g. the numeric values list box, this will permanently exclude the alpha values. You won't be able to select ever an Alpha value, regardless what is selected in numeric list box.
Yeah I am trying to apply Alternate states to get rid of it.
I am showing few charts based on the slections of Aplha and separate selections of Numeric. so these charts should be populated all the time. to achieve this scenario i am implementing always one selected value in both the listboxes Alpha and Numeric.