Using Zen Components - InterSystems Documentation

ControllerFigure 6–3: Data Controller and Data View Classes6.2.1 To provide a data controller for a Zen page, simply add a or a subclass of %ZEN.Auxiliary.dataControllerinside the . The component appears in XData Contents along with other components, but it is notvisible onscreen. It acts as an intermediary between a data model and one or more data views.The following example defines a that opens an instance of the class MyApp.MyModel using an id valueof 1. A is bound to the by setting the controllerId property to the id of the. This causes the to display a form that provides a Zen control for every property within themodelClass.6.2.2 AttributesWhen you place a within a Zen , you can assign it the following attributes:AttributeZen componentattributesDescriptionA has the same general-purpose attributes as any Zen component.For descriptions, see these sections:• “Behavior” in the “Zen Component Concepts” chapter of Using Zen• “Component Style Attributes” in the “Zen Style” chapter of Using ZenThe id attribute is required for . name and condition may also apply. A is not visible, so visual style attributes do not apply.alertOnErrorIf true, the displays an alert box when it encounters errors while invokingserver-side functions, such as when saving or deleting. The default is true.alertOnError has the underlying data type %ZEN.Datatype.boolean. It has the value "true"or "false" in XData Contents, 1 or 0 in server-side code, true or false in client-side code.Using Zen Components 155