How to remove event From Iphone Calendar using EKEventStore?

Question

EKEventStore *eventStore = [[EKEventStore alloc] init];
 EKEvent *event  = [EKEvent eventWithEventStore:eventStore];
    event.title     = appDelegate.title1;
 NSLog(@"%@",event.title);
 event.startDate = appDelegate.currentDateName;
 NSLog(@"%@",event.startDate); 
 event.endDate   = appDelegate.alertTime;
 [event setCalendar:[eventStore defaultCalendarForNewEvents]];
 NSLog(@"%@",event);
    NSError *err;
 //NSString *eventID;
 //[eventStore eventWithIdentifier:eventID];
  [eventStore removeEvent:event span:EKSpanThisEvent error:&err];

How to remove Iphone calendar Event Programmatically my code is given above

check my code

I want to remove event on user request appDelegate.title1 is the title of Event saving in IPhone calendar

need quick reply

i m trying this code event deleted from database but unable to remove event from calendar

I am saving event with the help code given below

    //Create a Coffee Object.
     Coffee *coffeeObj = [[Coffee alloc] initWithPrimaryKey:0];


 NSString *abc=[[NSString alloc] initWithFormat:@"%@ Voice Reminder",recordsavetime]; 

 coffeeObj.Name = appDelegate.filenamefrompath;
 coffeeObj.CurrentTime = theremindertime;
 coffeeObj.title1 =abc;
    // coffeeObj.CurrentTime = stringFromDate( appDelegate.selecteddatafromcalendar);
 coffeeObj.add_date = currentdatee;
 coffeeObj.alert_time = thetime;

 appDelegate.title1= abc;
 appDelegate.currentDateName = theremindertime;
 appDelegate.recAddDate = currentdatee;
 appDelegate.alertTime = thetime;



 ////// Saving Event In Calendar 
 EKEventStore *eventStore = [[EKEventStore alloc] init];
 EKEvent *event  = [EKEvent eventWithEventStore:eventStore];
    event.title     = appDelegate.title1;
 event.startDate = appDelegate.selecteddatafromcalendar;
 event.endDate   = [[NSDate alloc] initWithTimeInterval:600 sinceDate:event.startDate];
    [event setCalendar:[eventStore defaultCalendarForNewEvents]];
    NSError *err;
    [eventStore saveEvent:event span:EKSpanThisEvent error:&err];
 ////// Saving Event In Calendar 




 NSLog(@"%@   ",coffeeObj.Name);
 coffeeObj.isDirty = NO;
 coffeeObj.isDetailViewHydrated = YES;
 //Add the object
 [appDelegate addCoffee:coffeeObj];