Hello,
I am new to MVC programming and trying to append a new child to a node in my xml file, as a HTML IMG element :

In this XML file, under <html:div> as a following element to the images already displayed

But, even thought the XML file is updated on the web app after execution, and the img appened at the right place (and with the right attributes):

Nothing more is displayed on the page ! Am I missing something ?
thanks for reading