JSF:how to get value from dinamically generated HtmlInputText components�H�H

<h:panelGroup binding="#{dynamicInputGroupBean.group}"/>
public HtmlPanelGroup getGroup() {
          if (this.getSelectedComp() == null) {
               return this.group;
          FacesContext facesContext = FacesContext.getCurrentInstance();
          Application application = facesContext.getApplication();
          this.group = new HtmlPanelGroup();
          Set pSet = this.getSelectedComp().getParameterses();
          int size = pSet.size();
          this.instanceValue = new String[size];
          int i = 0;
          for (Iterator it = pSet.iterator(); it.hasNext();) {
               Parameters tempP = (Parameters) it.next();
               HtmlOutputLabel outputLable = new HtmlOutputLabel();
               HtmlInputText inputText = new HtmlInputText();
               inputText.setId("p" + i);
               String valueBindingExpression = "#{dynamicInputGroupBean.instanceValue["+i+ "]}";
               System.out.println(valueBindingExpression);
               ValueBinding valueBinding = application
                         .createValueBinding(valueBindingExpression);
               inputText.setValueBinding("value", valueBinding);
               outputLable.setFor(inputText.getId());
               outputLable.setValue(tempP.getParaname() + ": ");
               group.getChildren().add(outputLable);
               group.getChildren().add(inputText);
               i++;
          // group.getChildren().add(new HtmlInputText());
          return group;
     }as codes show above, i successfully genera HtmlInputText dinamicaly�C
but i got problems while i try to print those values...
after the the jsp page presents in my browser,
i input some words in the input components,
and then click a commandButton hold an action to print their value
action code :
String[] tempArray = this.getInstanceValue();
for (int i = 0; i < tempArray.length; i++) {
System.out.println(tempArray);
only NULL has been printed in the consol ....not the word i inputed!!!
so my question is how can i get values from those
dinamically generated HtmlInputText ????

This approach is odd. What's the functional requirement after all? You normally attach the inputtext value to a backing bean property and do the desired command button action which is attached to a backing bean action method. In this method you then use the value for the query.

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    *"     VALUE(MATDOCUMENTYEAR) TYPE  MJAHR
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    DATA : BEGIN OF key,
    mblnr TYPE mkpf-mblnr,
    mjahr TYPE mkpf-mjahr,
    END OF key.
    DATA : event_container TYPE TABLE OF swcont.
    DATA : objkey TYPE sweinstcou-objkey.
    DATA : s_xmkpf TYPE mkpf.
    DATA: l_RETURN_CODE TYPE sy-subrc,
    l_event_id TYPE SWR_STRUCT-EVENT_ID,
    lt_container TYPE STANDARD TABLE OF SWR_CONT,
    ls_container TYPE SWR_CONT.
    data :INPUT_CONTAINE type table of SWR_CONT ,
    x_cont type swr_cont.
    " numéro commande d'achat
    DATA ls_xmseg TYPE mseg.
    CLEAR ls_xmseg.
    READ TABLE xmseg INTO ls_xmseg INDEX 1.
    x_cont-ELEMENT = 'MATERIALDOCUMENT'.
    x_cont-VALUE = ls_xmseg-mblnr.
    APPEND x_cont to INPUT_CONTAINE.
    x_cont-ELEMENT = 'MATERIALDOCYEAR'.
    x_cont-VALUE = ls_xmseg-mjahr.
    APPEND x_cont to INPUT_CONTAINE.
    CALL FUNCTION 'SAP_WAPI_CREATE_EVENT'
    EXPORTING
    object_type             = 'ZYBI'
    object_key              = objkey
    event                   = 'EVENT2'
    COMMIT_WORK             = space
    IMPORTING
    RETURN_CODE             = l_RETURN_CODE
    EVENT_ID                = l_event_id
    TABLES
    INPUT_CONTAINER         = INPUT_CONTAINE.
    endmethod.
    4. Create the workflow in SWDD
    Add the Business Object in the container and tick Import.
    Create a task with the following details.
    Click on Binding in the above screen:
    Create an Activity and attach the task to it.
    Affect Agents
    Add a starting event in Basic Data.
    Add a Process Control to end the workflow.
    Workflow Final should look like this:
    I hope it would be helpful to some of you. Sorry about the binding, there might be some issues not correct. But normally, if you follow the steps as they are, and for binding, you do Automatic Binding, it should be ok.
    Thanks

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