How do you remove the White Space on a DropdownField Component

Question

Mike Schmitt · Accepted Answer

As long as you have a Placeholder, that will appear there. You could always remove the placeholder, but that would mean the dropdown would always have to have a value, and would display an error if its value is null.

Chris · Answer

The only other option is to allow a placeholder initially, but null it out if the user makes a selection (blocking them from de-selecting it essentially), thus you could not utilize this for optional fields. 
 a!localVariables(
 local!options: {"a","b","c"},
 local!selected,
 
 a!dropdownField(
 label: "Dropdown",
 placeholder: if(rule!APN_isBlank(local!selected),"-- Select --",null),
 choiceLabels: local!options,
 choiceValues: local!options,
 value: local!selected,
 saveInto: local!selected
 )
)

How do you remove the White Space on a DropdownField Component

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