fix the problem that no renderized the images items
Now the handler can update some data in an existing image model.
rename the method max_item_index ot maxItemIndex becaus is an property
rename the method max_item_index ot maxItemIndex becaus is an property
rename the field that contain the image
add send_image method
fix the name attribute in the template of the single image.
fix legibility of some lines
allow the single image uploadin
set the creation date after the new row creation