Time for action – adding an EL expression

1. Add the af:switcher component to the page from the Component palette.

2. Select the switcher component in the page from the Structure window or from the design view.

3. From the Structure window right-click on the af:switcher component and then select Insert into the option to insert a facet.

4. Provide the facet name as first. Repeat the same step to add another facet named second.

5. In the property inspector, provide the value as first for the defaultFacet property.

6. Inside the first facet, add the employee information from the Data Controls palette. Drag-and-drop the EmpVO information on to the first facet.

7. Add the DeptVO to the second facet. Surround the table with a group layout or a stretch layout based on the requirements of the page.

8. Now add the following EL expression to the facetName property of the switcher:

   #{bindings. EmpVO1.estimatedRowCount > 0 ? 'first' : 'second'}

   

What just happened?

The previous expression will render the first facet if there is...