UIStoryboard *storyBoard = self.storyboard;
    IDEditListVC *editVC =
    [storyBoard instantiateViewControllerWithIdentifier:@"editlist"];
    editVC.list = _list;
    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController: editVC];
     [self presentModalViewController:nav animated:YES];

self.textView.text = listText;
float listHeight = self.textView.contentSize.height;
NSLog(@"listHeight%f",listHeight);