// Mise a jour informations denormalisees au niveau de la facture meme
$result=$this->update_price(1,'auto',0,$mysoc);// This method is designed to add line from user input so total calculation must be done using 'auto' mode.
$result=$this->update_price(1,'auto',0,$mysoc);// The addline method is designed to add line from user input so total calculation with update_price must be done using 'auto' mode.