Nsryjdtyk

Am tryinng to read PDf and inside PDF controls. my pdf is generated by adobe pdf library. getting null acro fields.but my form have 4 check boxes. 4 check boxed i can use to check or uncheck . i want checkbox is checked or not.
i used itextsharp to read pdf but, it is not finding controls.

private static string GetFormFieldNamesWithValues(PdfReader pdfReader)

    {



        return string.Join("rn", pdfReader.AcroFields.Fields

       .Select(x => x.Key + "=" +

                pdfReader.AcroFields.GetField(x.Key) + "=" + pdfReader.AcroFields.GetFieldType(x.Key)).ToArray());



    }





    static void Main(string args)

    {

        DataTable filedDetails;

        DataRow dr;

        string cName="";

        string cType = "";

        string cValue = "";

        int txtCount = 0;

        int btnCount = 0;

        int chkBoxCount = 0;

        int rdButtonCount = 0;

        int dropDownCount = 0;



        var fileName = "C:\PreScreenings\ViewPDF Cien.pdf";// PDFFileName.Get(context);

        //var fileName = @"C:Users465sanvDownloadsRead-PDF-Controls-masterReadPDFControlInputDavid1990.pdf";

        var fields = GetFormFieldNamesWithValues(new PdfReader(fileName));

        string splitRows = fields.Split(new { Environment.NewLine }, StringSplitOptions.None);

        filedDetails = new DataTable("PDF Table");

        filedDetails.Columns.AddRange(new { new DataColumn("Control Name"), new DataColumn("Control Type"), new DataColumn("Control Value") });



        foreach (string row in splitRows)

        {



            dr = filedDetails.NewRow();

            string str = row.Split("=".ToCharArray(), StringSplitOptions.None);



            cName = str[0].ToString();

            cValue = str[1].ToString();

            if (str[2].ToString() == "1")

            {

                btnCount++;

                cType = "Button" + btnCount.ToString();

            }

            else if (str[2].ToString() == "2")

            {

                chkBoxCount++;

                cType = "Check Box" + chkBoxCount.ToString();



            }

            else if (str[2].ToString() == "3")

            {

                rdButtonCount++;

                cType = "Radio Button" + rdButtonCount.ToString();

            }

            else if (str[2].ToString() == "4")

            {

                txtCount++;

                cType = "Text Field" + txtCount.ToString();

            }

            else if (str[2].ToString() == "6")

            {

                dropDownCount++;

                cType = "Drop Down" + dropDownCount.ToString();

            }

            dr[0] = cName;

            dr[1] = cType;

            dr[2] = cValue;



            filedDetails.Rows.Add(dr);



        }



    }