There can be many reasons... maybe you show more of the html and java
pages? Here is some previous discussion about such situations:
http://mail-archives.apache.org/mod_mbox/wicket-users/200904.mbox/%3c23274595.p...@talk.nabble.com%3e
2010/1/6 Kogel, Jonck-van-der <jonck-van-der.ko...@bmw.nl>:
> Hi,
>
> I have a simple DropDownChoice that holds male/female option. The
> selected value is retrieved from the database fine. Now I have a modal
> panel and when it closes it refreshes a certain portion of my screen
> using ajax. However, when the ajax refresh comes back the selected value
> gets lost. When I look in the ajax debug screen I see the list of
> options coming back and the selected value is empty. This happens even
> when I don't do anything with the value of the dropdown in the modal
> panel, but simply refresh the dropdown. Any ideas? Here is some code:
>
> The dropdown: (the list of options is an enum, mergedModel is a
> LoadableDetatchableModel)
>
> DropDownChoice<Sex> sex = new DropDownChoice<Sex>("sex",
> new PropertyModel<Sex>(mergedModel, "user.sex"),
> Utility.arrayToList(new Sex[]{Sex.MALE, Sex.FEMALE}));
> sex.setOutputMarkupId(true);
> add(sex);
>
> What happens when I close the modal panel: (the contentPanel gets passed
> a reference to the modalPanel and the objects that need refreshing)
>
> form.add(new AjaxSubmitLink("save") {
> �...@override
> protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
> for (Component comp : updateList) {
> target.addComponent(comp);
> }
> modalWindow.close(target);
> }
> });
>
> The ajax response:
>
> <?xml version="1.0" encoding="UTF-8"?><ajax-response><component
> id="sex11" ><![CDATA[<select name="tabs:tabUser:sex" id="sex11">
> <option selected="selected" value="">Kies er een</option>
> <option value="0">Man</option>
> <option value="1">Vrouw</option>
> </select>]]>
>
>
>
> Thanks for any help!
>
> Kind regards, Jonck
>
>
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