try this..
"From : " & ToText(Minimum({?date}), "dd/MM/yyyy") &
" To :" & ToText(Maximum({?date}), "dd/MM/yyyy")
If the datetime is in field (not a formula) then you can format it:
Right click on the field -> Format Editor Date and Time tab Select date/time formatting you desire (or click customize) If the datetime is in a formula:
ToText({MyDate}, "dd/MMM/yyyy")
//Displays 31/Jan/2010
or
ToText({MyDate}, "dd/MM/yyyy")
//Displays 31/01/2010
or
ToText({MyDate}, "dd/MM/yy")
//Displays 31/01/10
etc...