title: How do you get the field label of a PDF AcroField using iTextSharp?
body: <p>I'm making an app which allows you to fill out form fields.
  I want to programatically gather the field names and their label.
  I know how to get all the AcroFields, but I can't seem to find a way to get the related label.</p>
  
  <p>Looking through the raw XFA form produced by iTextSharp, I can tell that each field is referenced by the description. But the order is messed up so I can't manually parse the XFA/XML of the PDF field.</p>
  
  <p>Any ideas?</p>
  
  <p><a href="http://www.uscis.gov/sites/default/files/files/form/g-28.pdf" rel="nofollow">Example form I'm working with</a></p>