InfoPath Dev

Is there a way, programmatically, to populate a drop-down list (C#)? I created an empty drop-down list in Design mode.

Hi experts, Is there a way to write code in Jscript to test whether a web service is available? I plan to locate this code in the onload block because I want to make sure the web service, which is used to populate my form, is available before the form is opened. Thx a mil in advance! JLAW