Drop-down List
Use the Drop-down List part to add a control that displays a list of items from the which the user can select a single item. The selected item is then displayed in the field. The user cannot type new items directly into the field. The Drop-down List part generates the HTML element select.
To add a Drop-down List part, select the Web Form Parts Category ( 
), then the Drop-down List part ( 
). You can also add the part using the Add Part dialog and specifying the class name, AbtHtmlDropDownList.
), then the Drop-down List part ( ). You can also add the part using the Add Part dialog and specifying the class name, AbtHtmlDropDownList. Drop-down List Properties
The Drop-down List part has the following properties:
attributeName
Use the attributeName property to specify which attribute of the objects in the collection should be displayed in the part.
converter
Use the converter property to specify the converter to use for the part. A converter is an object that manages the conversion of other objects to and from their display format for certain visual parts, such as a Text part.
eventHandlers
Use the eventHandlers property to define any event handlers for this part. Event handlers provide the ability to detect and react to events that occur while an HtmlPage is loaded in a Web browser. An example of an event handler is mouse over, where you can specify when the mouse moves over an HTML element, something happens, usually a JavaScript is executed..
extraAttributes
Use the extraAttributes property to specify any additional HTML attributes that you want included in the HTML tagging generated by the part. You can use this property to include HTML attributes that are not directly supported by VA Smalltalk.
items
Use the items to specify the initial items you want displayed by the part when it appears.
partName
In the Part name field, type the name you want to use to describe the part. For non-visual parts, this text appears under the icon for the part on the free-form surface.
The name of the part can consist of alphanumeric characters, and must be unique from all other parts on the layout surface.
This field is optional. If you do not specify a part name, VA Smalltalk generates a unique name based on the class name of the part.
selectedItem
Use the selectedItem property to specify an item to appear selected when the part is rendered in a Web browser.
selectionIndex
Use the selectionIndex property to specify the index of the item you want initially selected when the part first appears.
Last modified date: 06/24/2018