private static Vb[] CreateNullVbs(Oid[] columnOids, Oid startRowIndex) { Vb[] vbs = new Vb[columnOids.Length]; for (int i = 0; i < vbs.Length; i++) { Oid oid = columnOids[i]; if (startRowIndex != null) { oid = oid.Append(startRowIndex); } vbs[i] = new Vb(oid); } return(vbs); }