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From "Mike Kienenberger" <mkien...@gmail.com>
Subject Re: Change value of SelectOneChoice in background
Date Tue, 24 Apr 2007 15:12:12 GMT
Maybe this is what you're looking for:

http://www.nabble.com/Re%3A-Programatically-updating-the-model-p9961060.html


On 4/24/07, Petr Kotek <kotek@crcdata.cz> wrote:
> Hello all,
>
> I have next problem with SelectOneChoice component:
>
> 1. value is binded to backing bean and taken for example from database
> 2. when query page, component show correct value
> 3. now another process change value (in database)
> 4. page is reloaded (by reload button in browser), then component show
> bad, old value
> 5. only new query for page show correct value of component
>
> Moreover, if page is submitted (by another component), then bad old
> value of SelectOneChoice component is saved into database.
>
> I am using latest Trinidad 1.0.1 SNAPSHOT.
>
> Thanks for any help,
> Peter
>
>
>
> I'm simulated this in next test. Changing value by button or
> SelectOneChoice is OK. When I change value of socTestVal in session
> backing bean in debuger (simulating backgroung value change), component
> don't reflect this change, when page is only reloading.
>
> index.jsp test page:
>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
> "http://www.w3.org/TR/html4/loose.dtd">
> <%@ page contentType="text/html;charset=UTF-8"%>
> <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
> <%@ taglib uri="http://myfaces.apache.org/trinidad" prefix="tr"%>
> <%@ taglib uri="http://myfaces.apache.org/trinidad/html" prefix="trh"%>
> <f:view>
>   <trh:html>
>     <trh:head>
>       <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
>       <title>Select One Choice Test</title>
>     </trh:head>
>     <trh:body>
>       <tr:form id="TestForm">
>         <tr:selectOneChoice autoSubmit="true" label="Selection:"
> value="#{IndexBean.socTestValue}">
>           <tr:selectItem label="One" value="1"/>
>           <tr:selectItem label="Two" value="2"/>
>         </tr:selectOneChoice>
>         <tr:commandButton text="Set One"
> actionListener="#{IndexBean.ChoiceOneAction}"/>
>       </tr:form>
>     </trh:body>
>   </trh:html>
> </f:view>
>
>
> Session backing bean:
>
> package test.backing;
>
> import javax.faces.event.ActionEvent;
>
> public class IndexBean {
>   short socTestVal;
>
>   public IndexBean() {
>     socTestVal = 2;
>   }
>
>   public Short getSocTestValue() {
>     return socTestVal;
>   }
>
>   public void setSocTestValue(Short newVal) {
>     socTestVal = newVal.shortValue();
>   }
>
>   public void ChoiceOneAction(ActionEvent actionEvent) {
>      socTestVal = 1;
>   }
> }
>
>
>
>

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