LAW wrote:
Please advise the best place for massage and night spot

If you truly mean a massage, and not a "massage", the place to go is
the massage school at Wat Po. Slightly more expensive than the
run-of-the-mill establishments, and much less expensive than the 4 and
5 star hotel spas. However, there are legitimate massage parlors all
over Bangkok.

See last Sunday's NY Times Travel section for "in" night spots.
Assuming you don't mean "night spots".

Larry