NSDatePicker

Well you could use a scanner to parse the string and decode it.  That's rather ugly.  Apple provide very good functions for converting strings to dates.  However I wouldn't expect to even use them.  I feel confident (although I've never the date picker) that the control will give you a date or time object or something.  I see to recall that the date picker is rather basic - it's just up/down arrows really and doesn't provide a popup calendar or anything fancy.  I'm sure with a little googleing you'll find something really useful.  If you're still stuck at the weekend, I'll take a closer look at this for you.

Thanks for the advise, I used scanf to retrieve data from the datepicker, it works, not smart, but works :)

Another question, how could I set the default date in the NSDatePicker box as today? Couldn't find a solution on internet, maybe can someone give me a good reference link? Thanks

jz45 try this :

// Create todays date

NSDate *todayDate = [NSDate date];

// use the todayDate as the newStartDate

[self setDateValue:todayDate]

this will set the date pickers value to today every time it program starts

subclass the a NSDatePicker and add this code to the -(void)awakeFromNib{}

^^ it works for me ^^

It doesn't work :( it says setDateValue may not work for GuiController, which is my nib name

It's working now, thanks a lot!