Bangkok Events
As with just about every other large city, Bangkok is place where there's always something going on. There are several exhibition and convention centers, among the largest in Asia, where there are almost always some kind of trade show going on. Plus there's the famous - some might say infamous - nightlife.

Major Event Venues
BITEC
 
The Bangkok International Trade & Exhibition Center (BITEC) is one of the largest trade venues in Thailand. Their web site lists upcoming events.

Impact Arena
The Impact arena and exhibition center is near the Bangkok International Airport. Its currently the preferred venue for international music acts stopping in Bangkok. The list lists upcoming events.

Queen Sirikit National Convention Center
Centrally located convention center. Their web site lists upcoming events.

Bangkok Recorder Webzine
The Bangkok Recorder web site has quickly become the site of record (if you'll pardon the expression) for music and nightlife. A quick look at the site will tell you what's going on around town.