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Help with listbox valueMember range error

I am getting the following Exception error message when I assign the listbox
Value to a table column in dataset. The dataset gets the tables and value
from SQL table. There is no error if I comment out the ValueMember
assignment. There are several other combox using the same dataset but
different tables and they're all fine with their Valuemember assignments.
Can someone tell me what I'm doing wrong here?

Thanks, Alpha

System.ArgumentOutOfRangeException: Specified argument was out of range of
valid values, parameter name: '1' is not a valid value for index.

lstSchItem.DataSource = dsSchItems.Tables["ScheduleItems"];
lstSchItem.DisplayMember = "SchItemCode";
lstSchItem.ValueMember = "SchItemID";
Nov 17 '05 #1
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