Activity view in Count summury

Activity view in Count summury

Hi,

it would be a great thing, if, in the summury's count, i could choose colomns i want to display.
At the moment, colomns :

Objet Type d’activité Statut Date d’échéance Date&Heure de début Date&Heure de fin Nom du gestionnaire Heure de modification

are display, which is to much in order to be effective.. :/

Isn't it possible to delete some colomns for the display ?

Thanks,
and sorry for my approximative english level.

Nicolas