In this section, we will run the GWT web project. Run the GWT HTML hosted page
CatalgForm.html in a browser with the URL
http://localhost:8080/gwt-jboss-ajax/CatalogForm.html. The GWT widget-generated input form gets displayed, as shown in the following screenshot:
Start to specify a Catalog ID value. As the
TextBox widget supports Ajax, a validation message gets displayed as shown in the following screenshot to indicate whether the Catalog ID value is valid according to the logic that the value is not an empty string and is not already in
HashMap for the catalog.
An Ajax request is sent with each key-up event as the Catalog ...