The number of hotels in the Asoke area seems to be increasing dramatically. This is in part due to the opening of Suvarnabhumi airport, which made the area more convenient to travelers, and was further boosted when the Airport Link main terminal opened up just a short ways up Asoke. I've listed a few of the nicer hotel options below. There are also many budget hotels in the area as well. You can search the entire list of Asoke hotels for all the options.