[PDF-Forms] Question about Selecting a Radio Button by Default

[kc]

Hello All   I have a queston about the "default is checked" setting available with radio buttons..   My form has one section with three combo boxes stacked upon one another. The visibility of the combo boxes is determined by three corresponding radio buttons. All of the radio buttons have the same name, but different export values..   When the user clicks on a radio button, it makes the corresponding combo box visible. In order to present a blank field, the third radio button controls a combo box that is blank. I set this third radio button to "default is checked"   I also put a button on the form with the action set to reset the form. When the reset button is clicked, the three radio buttons display the defautt button., however the nk combo box does not display.     If anyone has any ideas about this, please let me know.   Thanks in advance for your help.