Read Check Box, Radio Button Name and values from PDF using iText Sharp

acrofields, annotations, c#-4.0, itext, pdf

Solution

The following code may help you out, if you still need it. It only works for AcroForms

int BUTTON = 1;
int CHECK_BOX = 2;
int RADIO_BUTTON = 3;
int TEXT_FIELD = 4;
int LIST_BOX = 5;
int COMBO_BOX = 6;

PdfReader pdfReader = new PdfReader(path);
AcroFields af = pdfReader.AcroFields;

foreach (var field in af.Fields)
{
    bool isRadio = RADIO_BUTTON == af.GetFieldType(field.Key));
}

Edit:

Also, field.Key is the name of the field and field.Value is the value at it.

For checkboxes, if(field.Value == "Yes") then it is selected... if it is anything else, it is not selected.

Edit:

And I just found how tro get Radio Button options, if you are needing them.

myKey k = new myKey(field.Key, af.GetField(field.Key), af.GetFieldType(field.Key));
if (k.isRadio())
{
    try { k.options.AddRange(af.GetAppearanceStates(k.key)); }
    catch { }
}
Keys.Add(k);

Problem

I have a fillable PDF contains CheckBoxes and RadioButtons and TextBox. How do i get the CheckBox Name and its value also how do we know that it is a checkbox / Radio Button? i'm using iTextSharp and have look at my below code ``` PdfReader pdfReader = new PdfReader(FileName); pdfReader.SelectPages("37"); MemoryStream oStream = new MemoryStream(); PdfStamper stamper = new PdfStamper(pdfReader, oStream); AcroFields form = stamper.AcroFields; if (form.Fields.Count() > 0) { IDictionary<string,AcroFields.Item> oDic= form.Fields; foreach (string FieldName in oDic.Keys) { //FieldName - CheckBox name; i need to confirm that is a Checkbox... } foreach (AcroFields.Item oItem in oDic.Values) { // how do we get check box values } } ```

Original source