Creating dependednt picklist in OAF:

1)Create a VO with bind parameters.
2)In process request method get the item bean in to veriable.
3)set the properties like below mentioned:
OAMessageChoiceBean itemId=
(OAMessageChoiceBean)table.findChildRecursive("test");
itemId.setPickListCacheEnabled(false);
itemId.setListVOBoundContainerColumn(0,table(tableBean Id),"TableItemId")