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copied!<p>Your problem is that the select named "event.theme" only gets loaded once the select named "event.datapool" has a value of "1" as selected.</p> <p>So you need to change the "event.datapool" select value to "1" :</p> <pre><code>[........] final HtmlSelect selectBase = form.getSelectByName("event.datapool"); final HtmlOption optionBase = selectBase.getOptionByText("Freizeit / Tourismus"); final Page newPage = selectBase.setSelectedAttribute(optionBase, true); [........] </code></pre> <p>But you may have problems because the "HTML" data for the select "event.theme" is loaded via ajax. So I do not think your java "HtmlSelect" class will loaded the select "event.theme" in the form as Javascript does with an actual user interation. </p> <p>A solution to that would be to:</p> <pre><code>1. Load your page "http://www.rce-event.de/modules/meldung/annahme.php?oid=471&pid=1&ac=d98482bbf174f62eaaa4664c&tkey=468&portal=www.dachau.de&ortsbox=1&callpopup=1" 2. Load the page "http://www.rce-event.de/modules/meldung/js/xmlhttp_querys.php?get_kat=1&time=1338409551228&id=1&block=kat" > which will return the "event.theme" select data/values 3. Then use the data loaded in step 2 to update the page loaded in step 1 by inserting a "select list with id and name set to <event.theme>" in the HTML element "kat_content" </code></pre> <p>Then your form/loaded webpage should have the new select named "event.theme" and therfore the following code shouldn't produce errors anymore.</p> <pre><code>final HtmlSelect select = form.getSelectByName("event.theme"); final HtmlOption option = select.getOptionByText("Sport/Freizeit"); final Page newPage = select.setSelectedAttribute(option, false); </code></pre>

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