To find the height of a label , UITableViewCell or UITextView for dynamic string content. Following method may help
- (float)getHeightFortheDynamicLabel:(NSString *)stringForTheLabel{
UITextView *aSampleTextView;
// 30 is the minimum height
aSampleTextView = [[UITextView alloc] initWithFrame:CGRectMake(0, 0, mywidth, 30)];
aSampleTextView.text = stringForTheLabel;
aSampleTextView.font = [UIFont systemFontOfSize:kMyFontSize];
aSampleTextView.alpha = 0;
[self.view addSubview:aSampleTextView];
float textViewHeight = aSampleTextView.contentSize.height;
[aSampleTextView removeFromSuperview];
[aSampleTextView release];
return textViewHeight;
}