Bounded Attribute Value

    public Map getBoundAttributeValue() {
        return new HashMap() {
            @Override
            public Object get(Object attrName) {
                Object attrVal = ADFUtils.getBoundAttributeValue((String)attrName);
                return attrVal;
            }

            @Override
            public Object put(Object attrName, Object attrVal) {
                ADFUtils.setBoundAttributeValue((String)attrName, attrVal);

                return null;
            }
        };
    }

at Value property
#{backingBeanScope.backing_PriceDefinition.boundAttributeValue['Remarks']}

at Disable property
#{backingBeanScope.backing_PriceDefinition.boundAttributeValue['PriceCntrlNo'] eq null}