Getting selected values from a data table

Question

My data table gets values directly from a result set.
I went through http://balusc.blogspot.com/2006/06/using-datatables.html#top ,
however, the data table shown in this example takes values from a simple list. I have trouble in getting selected values.
Can anyone suggest how to select multiple values. here is a small code sample of what I have
SessionBean
ResultSet rs= db.retrieve_draft();
datamodel = new ResultSetDataModel();
datamodel.setWrappedData(rs);This is the JSF
<h:dataTable binding="#{Engineer.dataTable1}" headerClass="list-header" id="dataTable1"
rowClasses="list-row-even,list-row-odd" style="left: 144px; top: 192px; position: absolute"
value="#{SessionBean1.datamodel}" var="currentRow">
<h:column id="column1">
<h:outputText id="outputText77" value="#{currentRow['report_number']}"/>
<f:facet name="header">
<h:outputText id="outputText78" value="Report Number"/>
</f:facet>
</h:column>Edited by: ktip on Jul 29, 2008 11:04 AM

Answer 1

Here is what I was doing :
This is my Session Bean (viz. SessionBean1)
private CachedRowSetDataProvider draft_infoDataProvider;
    private CachedRowSetXImpl draft_RowSet;
    public CachedRowSetDataProvider getDraft_info() {
        return draft_infoDataProvider;
    public void setDraft_info(CachedRowSetDataProvider draft_info) {
        this.draft_info = draft_infoDataProvider;
    public CachedRowSetXImpl getDraft_RowSet() {
        return draft_RowSet;
    public void setDraft_row(CachedRowSetXImpl draft_row) {
        this.draft_row = draft_RowSet;
public void get_drafts()
            Class.forName("com.mysql.jdbc.Driver");
            String url = "jdbc:mysql://localhost:3308/test";
            String dbUser = "root";
            String dbPassword = "adminadmin";
            con = DriverManager.getConnection(url, dbUser, dbPassword);
        String  sql="SELECT report_id from reports WHERE status='Draft' ";
        ResultSet rs=null;
        try
            Statement stmt1=con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
            rs=stmt1.executeQuery(sql);
            draft_RowSet=new CachedRowSetXImpl();
            draft_RowSet.populate(rs);
            draft_infoDataProvider=new CachedRowSetDataProvider(draft_RowSet);
            result="ok";
        catch(SQLException e)
          System.out.println(e); 
          result="fail";
Here is my jsp page (developed in Netbeans 6.1) showing the data table
<webuijsf:table augmentTitle="false" binding="#{Engineer.table1}" clearSortButton="true" deselectMultipleButton="true"
                                        id="table1" selectMultipleButton="true" sortPanelToggleButton="true"
                                        style="left: 48px; top: 144px; position: absolute; width: 450px" title="Table" width="0">
         <webuijsf:tableRowGroup id="tableRowGroup1" rows="10" sourceData="#{SessionBean1.draft_infoDataProvider}" sourceVar="currentRow">
                  <webuijsf:tableColumn headerText="report_number" id="tableColumn1" sort="test_report.report_number">
                                        <webuijsf:staticText id="staticText1" text="#{currentRow.value['reports.report_id]}"/>
                    </webuijsf:tableColumn>
         </webuijsf:tableRowGroup>
   </webuijsf:table>Doing all this just resulted in a javax.Naming.Exception : Data Source is null
I tested this piece of code to give me the number of rows in the underlying rowset and it worked well. But somehow I could not get to display the data. Am I missing something?
Edited by: ktip on Jul 31, 2008 1:21 PM