>>>Software column should have controlsource='software_code', and combobox within the column should have 2 fields in rowsource (description,code) with combo.boundcolumn=2
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>>And without using combobox in a grid it would not work? When I change combo's value on the form, would it automatically change in a grid?
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>Sorry, I don't follow. What means 'change in form'? Do you change data in grid.combobox or in some separate form.combobox?

In a separate combobox. My grid is readonly for display purpose only.