> I have IBO-version 3.5. I can set ib_query.prepared = true (no error-
> message). I open the SQL-Editor with a double-click of ib_query. I
> can't prepared the statement error-message is "Fieldname: not found".
> The result of the statement without sum "select total_value from
> sales" is ok.

I think IBO should define a column name for you now. For some reason IB6
doesn't give you a default column name under circumstances that it used to.

If that doesn't work then you need to change your SQL so that you give it an
alias name for the column.

HTH,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com