Help required in understanding DataView Mystery

[Lester Chua <ci...@gmail.com>]

Hi I need help with understanding DataView.

My code that construct the dataview is as follows (name changed to 
protect the guilty),

    IDataProvider<MyRecord> dataProvider = new MyRecordDataProvider();

    DataView<MyRecord> dataView = new DataView<MyRecord>("summary", 
dataProvider)
        {
            SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
           
            @Override
            protected void populateItem(Item<MyRecord> item)
            {
                MyRecord record = item.getModelObject();
            }

        };

    add(dataView);
  


In my hmtl I just bascially put:

    <table cellspacing="0" id="dsta-grid">
        <thead>
            <tr>

            </tr>
        </thead>
        <tbody>
            <tr wicket:id="summary">

            </tr>
        </tbody>

    </table>

I reduced the fields printed because I got the following error regarding 
markup

WicketMessage: The component(s) below failed to render. A common problem 
is that you have added a component in code but forgot to reference it in 
the markup (thus the component will never be rendered).

1. [MarkupContainer [Component id = summary]] 2. [MarkupContainer 
[Component id = 1]] 3. [MarkupContainer [Component id = 2]] 4. 
[MarkupContainer [Component id = 3]] 5. [MarkupContainer [Component id = 
4]] 6. [MarkupContainer [Component id = 5]] 7. [MarkupContainer 
[Component id = 6]] 8. [MarkupContainer [Component id = 7]] 9. 
[MarkupContainer [Component id = 8]] 10. [MarkupContainer [Component id 
= 9]]

This is really weird. It seems that Wicket is looking to render the tag 
id 1..9 (corresponds to the number of records in my list, whose iterator 
I returned.) Is my syntax wrong? Or does the problem lies with my data 
provider which implements the following

public Iterator<? extends MyRecord> iterator(int arg0, int arg1) { 
Session dbSession = HibernateUtil.GetSessionFactory().openSession(); try 
{ List<MyRecord> list = dbSession.createCriteria(MyRecord.class).list(); 
return list.iterator(); } finally { dbSession.close(); } } @Override 
public IModel<MyRecord> model(MyRecord inmodel) { return new 
Model<MyRecord>(inmodel); } Lester



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