Kaspar Fischer schrieb:
I am trying to get a DropDownChoice to select either a country or
the option "any country".
searchOptions.add(new DropDownChoice("search-country", countries,
countriesRenderer)
.setNullValid(true).setRequired(false) // (*)
);
With the second line (*) commented out, the drop-down menu initially
shows
any country
Belgium
...
Once I select Belgium and submit the form, the "any country" vanishes
forever. That's the what I expect.
... but: with the line (*), I have the behaviour I need, but instead of
"any country" I get an empty string:
<empty string>
Belgium
...
Meaning, the DropDownChoice does not pick up anymore my entry
search-country.null=any country
Try
search-country.nullValid=any country
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