jdeveloper - Oracle ADF: af:selectOneChoice Hierarchy changes -

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i developing web application using oracle adf. in have page follows

enter image description here

in above image have 2 select lists. first 1 country , second 1 state. requirement when user select value country list have add appropriate states states list programatically.

suppose user has selected india need states in india ap, ka, mh, tn that.

i have tried this post. fixed , need add values dynamically.

please me in achieving this. in advance.

tthe way approach though programatic view objects. adf build work best adf bc

more exactly: create simple vo based on sql statement:

select '' country, '' state dual

for country attribute, need create programatic view object : countrylov. same thing state attribute - statelov.

this not simple task, can find quite few examples around:

http://andrejusb.blogspot.co.uk/2013/12/detail-view-object-instance.html

http://adfpractice-fedor.blogspot.co.uk/2011/01/adf-bc-programmatically-populated-vo.html

http://www.jobinesh.com/2011/06/building-programmatically-managed.html


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