if i bind a textbox to an DateTime variable that has its value set to
DateTime.MinValue the textbox is empty as i should
but if i choose a format for may textbox like shord date time
it shows 01-01-0001
how do i get it to show a blank textbox when i have an format applyed
and it is set to DateTime.MinValue witouth doing it manualy

DateTime.MinValue and Number Format ?