NSString *savedPath = [NSHomeDirectory() stringByAppendingString:[NSString stringWithFormat:@"/Documents/%@",filname]];

            NSFileManager *fileManager = [NSFileManager defaultManager];

            NSURL *URL = [NSURL fileURLWithPath:savedPath];

            if (URL) {

                [self setupDocumentControllerWithURL:URL];

                [self.docInteractionController setDelegate:self];

                [self.docInteractionController presentOptionsMenuFromRect:[actionSheet frame] inView:self.view animated:YES];

            }