I know there is a way like this
listBox.addThemeVariants(CheckboxGroupVariant.LUMO_HELPER_ABOVE_FIELD);
But ComboBox does not have addThemeVariants. So How we can set the helper text above the field.
Vaadin14 - how to set Helper Text above the field in ComboBox
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1 Answers
Like this:
ComboBox<String> combo = new ComboBox<>();
combo.setItems("foo", "bar");
combo.setHelperText("Oh no");
combo.getElement().getThemeList().add(CheckboxGroupVariant.LUMO_HELPER_ABOVE_FIELD.getVariantName());
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