Bangkok is a great place for entertainment and night life. The drinks are not expensive. Normally the drink list and prices are shown.
Sometime visitor ask for the price of drinks first.
Generally it is very reasonable. The English style pubs are popular among business man, tourists, and foreigners. Many pubs are in the hotels and several Thai pubs are located in Bangkok. Cocktail Lounge . Most of cocktail lounges welcome any visitors no matter whether they are member or not.