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Shay Shmeltzer's Oracle Development Tools Tips

Creating Dependent/Cascading Select Lists with Visual Builder

Shay Shmeltzer
Director of Product Management - Oracle

A common requirement in applications is to have dependent lists (also known as cascading lists) - meaning have the value selected in one place influence the values that could be select in another place. For example when you select a state, we'll only show you cities in that state in the city list.

In the short demo video below, I'm showing you how to implement this cascading lists solution with the new Visual Builder Cloud Service.

The solution is quite simple

You catch the event of a value change in the first list, and in the action chain that is invoked you set a filterCriterion on the second list. (See this entry for a quick introduction to filterCriterion).

Since the list is connected to a ServiceDataProvider, there is no further action you need to take - the change to the SDP will be reflected in the UI component automatically.

Quick tips - make sure you reference the id of the column and that your operators are properly defined and enclosed in double quotes.

 

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