Value Tab, Edit Box Builder
This tab in the Edit Box builder specifies a field in which to store the edit box's value.
Field Name
Specifies a table or view field in which to store the edit box's value. Type the field name, or click the dialog button to display the Open dialog box, where you can select another table or view. In the Edit Box builder, click the drop-down arrow next to the Field Name list box to select a field.The default contents of this tab are all the fields in the data environment. This option corresponds to the ControlSource property.
For more information, see Creating Forms.