Use the Field Data Source command from the Edit menu to change the source of the data for the selected field. When you select this command, the Catalog of Available Fields dialog is displayed, from which you can select a different field to apply to the selected report field.
To change the source of the data for the selected field, perform one of the following actions
Select the Field Data Source command from the Edit menu
Press F5
The Catalog of Available Fields dialog is then displayed. For details about inserting report fields, see "Inserting Report Fields" under "Using the Detail Functions", earlier in this chapter.
While you are selecting a different source for the field, the Select, New, Update, Delete, and Close buttons are not visible in the Catalog of Available Fields.