asyncDropDownValue<T> method
Retrieves the selected value of the async dropdown field for a specified fieldName
.
This method retrieves the currently selected value of the async dropdown field
identified by the provided fieldName
.
- Parameter
fieldName
The name of the async dropdown field to retrieve the value from. - Returns: The selected value of the async dropdown field, or
null
if no value is selected. - Throws: ArgumentError if the field doesn't exist.
Implementation
T asyncDropDownValue<T>(String fieldName) {
return asyncDropDownField<T>(fieldName).value;
}