First of all you must setOutputMarkupId to true for the text component:
text.setOutputMarkupId(true);

Also, you are modifying the id attribute, and not the css... this is also a
problem....
so instead of:
        text.add(new SimpleAttributeModifier("id","test"));
do this:
        text.add(new SimpleAttributeModifier("class","mySuperClass"));




yuccaplant wrote:
> 
> If some link is clicked, I want to change the css-class of a label like
> this:
> 
> // text
> final Label text = new Label("text", resourceRecord.getText());
> add(text)
> 
> // edit link
> add(new AjaxFallbackLink("edit-link"){
>     @Override
>     public void onClick(AjaxRequestTarget target) {
>         // dome some other stuff
>         text.add(new SimpleAttributeModifier("id","test"));
>         if (target != null) {
>             // add some other components
>             target.addComponent(text);
>         }
>     }
> 
> });
> 
> 
> Somehow this doesn't work. I guess I simply missed something?
> 
> thanks,
> 
> Pieter
> 
> -- 
> Pieter Cogghe
> Ganzendries 186
> 9000 Gent
> 0487 10 14 21
> 
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