A combo box in the Edit Widget will not roll up without making a selection, unlike in the Search Widget. Is there any way to make the Edit Widget combo boxes behave like those in the Search Widget?
I found the following post and figure that the two widgets may use different classes for the combo box: "the component used for the domain dropdown lists is not the DropDownListField as you would expect, but is actually the undocumented CodedValueDomainField" (com.esri.ags.components.supportClasses.CodedValueDomainField) http://forums.arcgis.com/threads/21608-Default-Attribute-Inspector-Dropdownlists-too-narrow..-how-to...