oup keeps the line-item display in step with the currently selected order.</font>

<p><font face="Times">Whenever there's a fetch, the DBFetchGroup takes care of updating the display to reflect the data newly arrived in the record list.&nbsp; Similarly, when the user edits a control, the DBFetchGroup updates the record list, and then notifies any other elements that may be displaying the same property.&nbsp;&nbsp; The first fetch of a DBFetchGroup causes a <b>setProperties:ofSource</b>: message to be sent t