The value of the display method is not saved anywhere. If you want to do that, you have to implement it by yourself, e.g. by calling the display method in insert() and explicitly assigning its return value to a table field.
The value of the display method is not saved anywhere. If you want to do that, you have to implement it by yourself, e.g. by calling the display method in insert() and explicitly assigning its return value to a table field.