JSF parameter handling

Question

Hi to all;
I would like to ask you, if it is possible to do in JSF with following condition:
Step 1 of 3 [edit page]
Parameter 1 : value 1
Parameter 2 : value 2
Parameter 3 : value 3
Parameter 4 : value 4 (new val 4)
Parameter 5 : value 5 (new val 5)
Note:
1) the parameter and its values is spooled from DB using Entity bean
2) user is allowed to edit any parameter as shown in the page
Step 2 of 3 [confirm page]
Parameter 1 : value 1
Parameter 2 : value 2
Parameter 3 : value 3
Parameter 4 : new val 4
Parameter 5 : new val 5
Note:
1) this page is to display all the values has been changed by the user
2) it has 2 options here, either proceed (submit and update to db) or back (return to previous page by displaying the last history (old & new values)
Step 3 of 3 [submit page]
Update DB and display success / error msg
Please, if you could advise or point me with sample, I am really appreciated for your help, thanks in advance.
Rgds;
Yoke Yew

Answer 1

Hi, thanks for your reply. But, i'm not sure if i could program as following:
-PwdMgmtEdit.jsp-
<h:dataTable id="pmPara" value="#{pwdMgmtBean.pmCol}" var="pmEdit" binding="#{pwdMgmtBean.myDataTable}"
          styleClass="table" headerClass="tableHeader" rowClasses="tableRowOdd, tableRowEven" width="600">
<h:column>
                    <f:facet name="header">
                         <h:outputText value="#{lbl['pm.ival']}" />
                    </f:facet>
                         <h:inputText id="fldval" value="#{pmEdit.fldval}" valueChangeListener="#{pmEdit.editPmCol}"/>
               </h:column>
          </h:dataTable>
-PwdMgmtBean.java-
public class PasswordManagementBean extends CommonBean implements ValueChangeListener {
private final String CLASS_NAME = "PasswordManagementBean";
private PasswordManagementDelegate pmDelegate = null;
private Collection pmCol = null;
/* Get selected datatable row. */
private HtmlDataTable myDataTable = null;
//private PasswordManagementDto myDataItem = new PasswordManagementDto();
private PasswordManagement myDataItem = new PasswordManagement();
public PasswordManagementBean() {
reset();
pmDelegate = new PasswordManagementDelegate();
public void editPmCol(ValueChangeEvent event) {
System.out.println("YY test 2.");
// Get selected MyData item to be edited.
myDataItem = (PasswordManagement) myDataTable.getRowData();
public Collection getPmCol() {
try {
pmCol = pmDelegate.getAllPara();
} catch (ApplicationException e) {
System.out.println(CLASS_NAME + "-" + e);
return pmCol;
public void setPmCol(Collection pmCol) {
this.pmCol = pmCol;
public HtmlDataTable getMyDataTable() {
return myDataTable;
public void setMyDataTable(HtmlDataTable myDataTable) {
this.myDataTable = myDataTable;
public PasswordManagement getMyDataItem() {
return myDataItem;
public void setMyDataItem(PasswordManagement myDataItem) {
this.myDataItem = myDataItem;
public void processValueChange(ValueChangeEvent arg0) throws AbortProcessingException {
System.out.println("YY test 1.");
// TODO Auto-generated method stub
It didn't print the system.out, instead complain with following error:
Caused by: java.lang.NoSuchMethodException: com.infopro.eserv.app.passwordmanagement.domain.PasswordManagement.editPmCol(javax.faces.event.ValueChangeEvent)
     at java.lang.Class.getMethod(Class.java:1581)
     at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:121)
     ... 30 more
Suppor,t the method editPmCol i 've added in PwdMgmtBean Pls advise