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[sohel62]

Thank for the post, header file information was useful for me.
I was missing that.

Originally Posted by Stitch

This is taken from the UICatalog sample code.

Insure your header file contains the following:

@interface YourViewController : UIViewController <UIAlertViewDelegate>

Then just add the following in the class you need the alert:

- (void)alertOKCancelAction {
  // open a alert with an OK and cancel button
  UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"UIAlertView" message:@"<Alert message>" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil];
  [alert show];
  [alert release];
}

and

- (void)alertView:(UIAlertView *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
  // the user clicked one of the OK/Cancel buttons
  if (buttonIndex == 0)
  {
    NSLog(@"ok");
  }
  else
  {
    NSLog(@"cancel");
  }
}