>>I have a stored procedure which returns a distinct list of categories. I call it via a strored proc and bind the DS to a combo.
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>>Problem is, once the user selects an item in the combo, there's no way to choose nothing. There's no empty row. Initially I have set the combo's SelectedIndex to -1, but that doesn't allow the user to unselect the selected item in the combo.
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>>Anyone?
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>Add one additional entry to your combobox with -- Select --

Ya,. but where? In the data table? I have tried to add items, but you can't when the combo is bound.