Through internet, I ended up using OMNIXML. though better library called oxml, but I've failed to make that working out.
- http://stackoverflow.com/questions/5513917/delphi-xe-omnixml-using-selectnode
- http://stackoverflow.com/questions/3594015/anyone-has-sample-code-to-load-an-xml-using-omnixml
- http://forum.lazarus.freepascal.org/index.php?topic=9401.0
just selectpath like this
/ItemLookupResponse/Items/Item/ASIN
And Its worked
