Add Underline to a Label in IOS Application

In iOS 6.0 UILabel supports NSAttributedString, which can be used to underline a Label Programatically.

Use the below code to add underline to a label

    NSMutableAttributedString *attributeString = [[NSMutableAttributedString alloc] initWithString:@"This is an underlined text"];
    [attributeString addAttribute:NSUnderlineStyleAttributeName
                            value:[NSNumber numberWithInt:1]
                            range:(NSRange){0,[attributeString length]}];

Now assign the attribute to the label

   yourLabel.attributedText = [attributeString copy];

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