Chad,
Setting SelectedIndex to zero after setting datasource to null and then back to the collection object acctually throws a different exception if the item that I am deleting is the last item in the listbox.
This is very strange.

Einar

>Einar,
>
>I can't test this right now, but you may need to reset the SelectedIndex:
>
>

>this.lstIndividualDelay.SelectedIndex = 0;
>

>
>HTH,
>Chad