All of the named text fields are included in the list and are available for validation. The value entered in the field must consist of letters only A to Z, a to z. In the Validate Form dialog, select the text field and complete the dialog. After you add a behavior, the event and behavior are displayed on the Behaviors panel. The Validate Form dialog appears Figure 8. In the Tag Inspector panel group, click the Behaviors tab to access the Behaviors panel. In the Design view window, select the entire form. The value entered in the field must be a positive integer. The fields of the setup window Fig 1 , are: You can add validation to any named text field in the Validate Form dialog.