On #tapestry, TobiasW suggested to add the columns through beanmodel instead
of in my tml which turned out to work just fine.  Definitely looks like a
bug to me.  My bean model code might help anyone else with this issue and
doesnt know how to do it from the page class:

@Inject
private ComponentResources resources;

private BeanModel<MyBean> model;

@Inject
private BeanModelSource beanSource;

public List<MyBean> getMyBeans() {
               if (this.model == null) {
                        this.model = this.beanSource.create(MyBean.class, true, 
resources);
                        this.model.add("myNewColumn", null);
                }
           //return your beans
}

Thanks TobiasW!


José Paumard wrote:
> 
> My grid is not in a form fragment, so I would say no, but I'm not sure. 
> I really dont see why the volatile=true attribute could fix that.
> Anyway, I'm openning a JIRA on this. It smells like a sneaky bug.
> José
> 
> zack1403 a écrit :
>> On #tapestry, y informed me to try volatile="true", but this didnt fix
>> the
>> issue for me.  Jose, maybe that might work for you?
>> Does it matter that my grid is within a formfragment?
>>
>> Zack
>>
>>
>> zack1403 wrote:
>>   
>>> Anyone have any ideas on this?  I am stuck on this exact same issue and
>>> have not been able to find a workaround.
>>>
>>> Zack
>>>
>>>
>>>     
>>
>>   
> 
> 
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