There should be no difference displaying the photo on the update page from displaying it on the detail page.
add the image tag, and use the File column binding for the image source.
to retain the original file name on the update page, add a hidden form element. Set the initial value of the hidden form element to use the File Column binding from the recordset on the update page.
in the Upload file behavior, Bind the default File Name setting to the hidden form element.