colID
The ID number of the column. The value must be in the range [0,ULDataReader.FieldCount-1]. The first column in the
cursor has an ID value of zero.
The data in the row is not actually changed until you execute an ULTable.Insert or Update, and that change is not made permanent
until it is committed. Only valid for columns of type ULDbType.UniqueIdentifier or for columns of type ULDbType.Binary with
length 16.