Indicates that subsequent assignments to field values specify the end of the range of rows to include in the dataset.
procedure SetRangeEnd;
Call SetRangeEnd to put the dataset into dsSetKey state, erase any previous end range values, and set them to NULL.
Subsequent field assignments made with FieldByName specify the actual set of ending values for a range.
After assigning end-range values, call ApplyRange to activate the modified range.