Best way to create/fill-in printed forms and pdfs?

Question

We have a C# application that must print complex forms. Things like multi-page government compliance forms that must be in a specific format. We can get PDF copies of these fo

Answer 1

Try with this:

string Filepath = Server.MapPath("/AOF.pdf");
var pdfpath = Path.Combine(Filepath, "");
var Formcontent = ListFieldNames(Filepath);
Formcontent["Name_txt"] =  "T.Test" ;  FillForm(Formcontent); //  var pdfContents = FillForm(pdfpath, Formcontent);

public Dictionary ListFieldNames(string Filepath)
{
    //PdfReader pdfReader = new PdfReader(pdfTemplate);
    //StringBuilder sb = new StringBuilder();
    //foreach(DictionaryEntry de in pdfReader.AcroFields.Fields)
    //{
    //    sb.Append(de.Key.ToString() + Environment.NewLine);
    //}
    var Fileds = new Dictionary();
    PdfReader pdfReader = new PdfReader(Filepath);
    var reader = new PdfReader(pdfReader);
    foreach (var entry in reader.AcroFields.Fields)
        Fileds.Add(entry.Key.ToString(), string.Empty);
    reader.Close();
    return Fileds;
}

public byte[] FillForm(string pdfPath, Dictionary formFieldMap)
{
    var output = new MemoryStream();
    var reader = new PdfReader(pdfPath);
    var stamper = new PdfStamper(reader, output);
    var formFields = stamper.AcroFields;
    foreach (var fieldName in formFieldMap.Keys)
        formFields.SetField(fieldName, formFieldMap[fieldName]);
    stamper.FormFlattening = true;
    stamper.Close();
    reader.Close();
    return output.ToArray();
}

public void FillForm(Dictionary Formfiledmap)
{
    string pdfTemplate = Server.MapPath("/AOF.pdf");
    string newFile = @"C:\Users\USer\Desktop\completed_fw4.pdf";
    PdfReader pdfReader = new PdfReader(pdfTemplate);
    PdfStamper pdfStamper = new PdfStamper(pdfReader, new FileStream(newFile, FileMode.Create));
    AcroFields pdfFormFields = pdfStamper.AcroFields;
    foreach (var fieldName in Formfiledmap.Keys)
        pdfFormFields.SetField(fieldName, Formfiledmap[fieldName]);
    pdfStamper.FormFlattening = true;
    pdfStamper.Close();
}