Unable to expand the dropdown in the Webdynpro Java iview in Portal

Dear Experts,
We have a lot of Webdynpro java application iview in portal in production system.All the dropdowns present in those iviews are not expanding in production system.
But we are able to expand & select the same webdynpro java iview applications in Quality system.
We are using Internet Explorer for viewing the iviews.
Can anyone help me to provide a solution to the issue.
Regards,
Krishna Balaji T

Hi Micheal,
The issue had been solved by myself.
Regards,
Krishna Balaji T

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<HTML>
<HEAD> <title>Hello</title> </HEAD>
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<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
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valueRef="UserNumberBean.currentListOption"/>
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</h:form>
</f:use_faces>
</HTML>
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<faces-config>
<navigation-rule>
<from-tree-id>/greeting.jsp</from-tree-id>
<navigation-case>
<from-outcome>success</from-outcome>
<to-tree-id>/response.jsp</to-tree-id>
</navigation-case>
</navigation-rule>
<navigation-rule>
<from-tree-id>/greeting.jsp</from-tree-id>
<navigation-case>
<from-outcome>back</from-outcome>
<to-tree-id>/response.jsp</to-tree-id>
</navigation-case>
</navigation-rule>
<navigation-rule>
<from-tree-id>/response.jsp</from-tree-id>
<navigation-case>
<from-outcome>success</from-outcome>
<to-tree-id>/greeting.jsp</to-tree-id>
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**************ListValueChangedListener class**************
* Created on Nov 2, 2003
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
package guessNumber;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.PhaseId;
import javax.faces.event.ValueChangedEvent;
import javax.faces.event.ValueChangedListener;
* @author krishna
* To change the template for this generated type comment go to
* Window>Preferences>Java>Code Generation>Code and Comments
public class ListValueChangedListener implements ValueChangedListener {
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     * @see javax.faces.event.ValueChangedListener#processValueChanged(javax.faces.event.ValueChangedEvent)
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package guessNumber;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Random;
public class UserNumberBean {
protected Integer userNumber = null;
protected Integer randomInt = null;
protected String response = null;
protected Collection list1;
protected Collection list2;
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public UserNumberBean () {
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          list2.add("List2 - Item4");
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userNumber = user_number;
System.out.println("Set userNumber " + userNumber);
public Integer getUserNumber() {
System.out.println("get userNumber " + userNumber);
return userNumber;
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     * @return
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     * @param collection
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Cheers!
Krish

I see some problems in your JSP page.
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valueRef="UserNumberBean.list1">This points to item that you want to appear selected when the list is rendered, so it should point to a string. So for ex, in your code below, currenListOption can be a string. Also I see that currentOption is null.
<h:selectitems
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Hi Sai,
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11256          VID          811256
11256          SONY      11256
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Michael

Unable to expand the dropdown in the Webdynpro Java iview in Portal

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