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POAdding Primefaces components dynamically
 

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    <p>I want to add Primefaces components dynamically. I'm using solution similar to <a href="https://stackoverflow.com/questions/8046116/can-i-add-remove-primefaces-components-dynamically">this one</a>, which was discussed there earlier:</p> <pre class="lang-xml prettyprint-override"><code>&lt;h:form&gt; &lt;h:panelGrid columns="2"&gt; &lt;p:dataGrid id="categoriesGrid" value="#{bean.categories}" var="categoryBean" rowIndexVar="rowIndex"&gt; &lt;p:column&gt; &lt;p:selectOneMenu id="categorySelect" effect="drop" value="#{categoryBean.selectedCategory}" &gt; &lt;f:selectItems value="#{categoryBean.availableCategories}" var="category" itemLabel="#{category.name}" itemValue="#{category}" /&gt; &lt;/p:selectOneMenu&gt; &lt;/p:column&gt; &lt;/p:dataGrid&gt; &lt;p:commandButton actionListener="#{bean.addNewCategory}" value="Add category" update="categoriesGrid"/&gt; &lt;/h:panelGrid&gt; &lt;/h:form&gt; </code></pre> <p>But there is problem with it. There is example of respond I get after "Add category" button was clicked:</p> <pre class="lang-xml prettyprint-override"><code>&lt;?xml version='1.0' encoding='UTF-8'?&gt; &lt;partial-response&gt; &lt;error&gt; &lt;error-name&gt; class javax.faces.component.UpdateModelException &lt;/error-name&gt; &lt;error-message&gt; &lt;![CDATA[/createTutorial.xhtml @85,65 value= "#{categoryBean.selectedCategory}":java.util.NoSuchElementException]]&gt; &lt;/error-message&gt; &lt;/error&gt; &lt;/partial-response&gt; </code></pre> <p>Thanks in advance</p>
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    1. COAs I found [there](http://code.google.com/p/primefaces/issues/detail?id=1568), `p:column` must be added, but the problem with ajax still exist
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    2. COPlease post your solution as an answer (which you can accept later yourself).
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    3. COYes, of course)
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