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BUG in dependent picklist ! Not take the value in controller extensions

Hi all,


I use in my Visualforce page (version 19.0 ) two picklist, one is master picklist and another is its dependent picklist.


I want to take their values in my controller extensions. As described in Summer '10 release, the dependence works correctly in the page.


But when i try to get this dependent value, it return null !


Here is my simple code:

public class DependentExtensions {

public People__c person {get; private set;}
public DependentExtensions(ApexPages.StandardController controller) {
             person = (People__c) controller.getRecord();                
public getCountry() {return person.Country__c }
public getRegion() { return person.Region__c }



In this example, after click a commandButton (it simply refresh the page),  only the COUNTRY value (the master picklist) it returned in picklist box and in the get text.

While the REGION dependent picklist it returned '-None-' in picklist box and return an empty text !!


This is a bug of this new feature or there is a way to fix it??


Thanks in advance!



Nobody has seen this bug??