An OraField object represents a single column or data item within a row of a
An OraField object is accessed indirectly by retrieving a field from the
OraFields collection of an OraDynaset object.
If the current row is being updated, then the OraField object represents the
currently updated value, although the value may not yet have been committed to
Assignment to the Value property of a field is permitted only if a record is
being edited (using Edit) or a new record is being added (using AddNew). Other
attempts to assign data to a field's Value property results in an error.