Browsing through the page definition file
We have already discussed the creation of the page dentition file when dropping data collection on a page. The following screenshot displays a typical page definition file in the structure window of JDeveloper:
In this section, we will analyze the different entries in a page definition file and their usage at runtime.
Parameters
The <parameters> section in the page definition file allows you to define parameter binding objects that other bindings or UI components can refer. In real life, you may use this section to define parameters whose value is referenced from multiple places in a page definition file.
Executables
The <executables> section defines executable items
that get executed during the ADF page lifecycle. Note that the data collections used in the page are refreshed through appropriate executable binding entries. The following are the executable binding objects supported by the framework:
Iterator: The
<iterator>section binds...
