To extract data from PDF documents parseForm and parseByTemplate(Template) methods are used. Both methods return DocumentData object. For details, see Working With Extracted Data.
Here are the steps to extract data from PDF Form:
Instantiate Parser object for the initial document Call parseForm method and obtain the DocumentData object; Check if data isn’t null (parse form is supported for the document); Iterate over field data to obtain form data. The following example shows the use case when a user fills in PDF form and send it by email (for example)....Total Product Family GroupDocs.Viewer...new TemplateRegexPositio ( "Total Due" ), "TotalDue" ), new TemplateField...