Itext sharp error New file Path does not exist

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.IO;
using System.Net.Mail;
using System.Text;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml.XPath;
using iTextSharp;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.xml;

public partial class careers_Application : BaseClass
{
    private static string AppRelativePath = "~/get/my.pdf";
 private static string NewFilePath = Server.MapPath ("~/place2get/new/") + NewFileName;
 private static string NewFileName = NewFileName.Substring(0, NewFileName.Length - 3);
    private static string AppAbsolutePath = HttpContext.Current.Server.MapPath(AppRelativePath);
    private Ektron.Cms.API.Content.Content cAPI = new Ektron.Cms.API.Content.Content();
    private string GUID = string.Empty;
    public string myGUID { get { return GUID; } set { GUID = value; } }

    protected void Page_PreInit(object sender, EventArgs e)
    {
        SSL = true;
    }

    protected void Page_Load(object sender, EventArgs e)
    {
  
        if (!Page.IsPostBack)
        {
            FillStates(drpState);
   FillStates(drpState2);

        }

        //JavascriptLoader jsl = new JavascriptLoader();
        //jsl.SetJquery(Page);
  
  StringBuilder sb = new StringBuilder();
        sb.Append("\r\n");
        sb.Append("//        sb.Append("\r\n");
        sb.Append("function check_input()");
        sb.Append("\r\n");
        sb.Append("{");
        sb.Append("\r\n");
        sb.Append("var e = document.getElementById(\"ctl00_PrimaryContentBlock_wizApplication_drpState\")");
        sb.Append("\r\n");
        sb.Append("var state = e.options[e.selectedIndex].value;");
        sb.Append("\r\n");
        sb.Append("if (state != \"OH\" && state != \"KY\" && state != \"WV\")");
        sb.Append("\r\n");
        sb.Append("{");
        sb.Append("\r\n");
        sb.Append("alert(\"Are you willing to relocate to our area?\");");
        sb.Append("\r\n");
        sb.Append("}");
        sb.Append("\r\n");
        sb.Append("var previous_zip1 = document.getElementById('ctl00_PrimaryContentBlock_wizApplication_txtPreviousZip1');");
        sb.Append("\r\n");
        sb.Append("var previous_zip2 = document.getElementById('ctl00_PrimaryContentBlock_wizApplication_txtPreviousZip2');");
        sb.Append("\r\n");
        sb.Append("var previous_zip3 = document.getElementById('ctl00_PrimaryContentBlock_wizApplication_txtPreviousZip3');");
        sb.Append("\r\n");
        sb.Append("var previous_zip4 = document.getElementById('ctl00_PrimaryContentBlock_wizApplication_txtPreviousZip4');");
        sb.Append("\r\n");
        sb.Append("var previous_zip5 = document.getElementById('ctl00_PrimaryContentBlock_wizApplication_txtPreviousZip5');");
        sb.Append("\r\n");
        sb.Append("if (previous_zip1.value.toString() == \"\" && previous_zip2.value.toString() == \"\" && previous_zip3.value.toString() == \"\" && previous_zip4.value.toString() == \"\" && previous_zip5.value.toString() == \"\")");
        sb.Append("\r\n");
        sb.Append("{");
        sb.Append("\r\n");
        sb.Append("alert(\"You have not lived anywhere else in the last 5 years?\");");
        sb.Append("\r\n");
        sb.Append("}");
        sb.Append("\r\n");
        sb.Append("}");
        sb.Append("\r\n");
        sb.Append("\r\n");
        sb.Append("function check_referral()");
        sb.Append("\r\n");
        sb.Append("{");
        sb.Append("\r\n");
        sb.Append("if (document.getElementById('ctl00_PrimaryContentBlock_wizApplication_radRefer_8').checked)");
        sb.Append("\r\n");
  sb.Append("{");
        sb.Append("\r\n");
  sb.Append("alert(\"Please specify how you were referred to King's Daughters Medical Center.\");");
        sb.Append("\r\n");
        sb.Append("}");
        sb.Append("\r\n");
        sb.Append("}");
        sb.Append("\r\n");
        sb.Append("//]]>");
        sb.Append("\r\n");

        string alerts = sb.ToString();
        HtmlGenericControl jsalerts = new HtmlGenericControl();
        jsalerts.TagName = "script";
        jsalerts.Attributes["type"] = "text/javascript";
        jsalerts.InnerHtml = alerts;
        Page.Header.Controls.Add(jsalerts);

        Button btn = wizApplication.FindControl("StartNavigationTemplateContainerID").FindControl("StartNextButton") as Button;
        if (btn != null)
        {
            btn.OnClientClick = "check_input()";
        }

        btn = wizApplication.FindControl("StepNavigationTemplateContainerID").FindControl("StepNextButton") as Button;
        if (btn != null)
        {
            btn.OnClientClick = "check_referral()";
        }

       
    }

    private void FillStates(DropDownList dl)
    {
        string StateXML = HttpContext.Current.Server.MapPath("/xmlfiles/StateList.xml");
        DataSet ds = new DataSet();
        ds.ReadXml(StateXML);
        dl.DataSource = ds;
        dl.DataTextField = "Name";
        dl.DataValueField = "Abbreviation";
        dl.DataBind();

        System.Web.UI.WebControls.ListItem dummy = new System.Web.UI.WebControls.ListItem();
        dummy.Value = "";
        dummy.Selected = true;
        dummy.Text = "(select)";
        dl.Items.Insert(0, dummy);
    }

    protected void ProcessApp(object sender, System.Web.UI.WebControls.WizardNavigationEventArgs e)
    {
        Page.Validate();
        if (Page.IsValid)
        {
            string NewFileName = string.Empty;
            char[] charLastName = txtLastName.Text.ToLower().ToCharArray();
          
            foreach (char c in charLastName)
            {
                if (char.IsLetterOrDigit(c))
                {
                    NewFileName = string.Concat(NewFileName, c);
                }
            }
          
            int fileMatchCount = 0;
            while (File.Exists(Server.MapPath("~/place2put/newpdf/" + NewFileName + ".pdf")))
            {
                if (NewFileName.EndsWith("(" + fileMatchCount.ToString() + ")"))
                {
                    NewFileName = NewFileName.Substring(0, NewFileName.Length - 3);
                    fileMatchCount++;
                }
                NewFileName += "(" + fileMatchCount.ToString() + ")";
            }
            NewFileName += ".pdf";
            string NewFilePath = Server.MapPath("~/place2put/newpdf/" + NewFileName);

        }  
   try
            {
                PdfReader reader = new PdfReader(AppAbsolutePath);
                PdfStamper stamper = new PdfStamper(reader, new FileStream(NewFilePath, FileMode.Create));
                AcroFields fields = stamper.AcroFields;

    
              
    fields.SetField("A1", txtLastName.Text);
    
    //fields.SetField("A2", date_created);
    
    fields.SetField("A3", txtSSN.Text);
    
    fields.SetField("A4", txtAge.Text);
    
    fields.SetField("A5", txtEmail.Text);
             
    fields.SetField("A6", txtAddress1.Text);
              
    fields.SetField("A7", txtCity.Text);
              
    fields.SetField("A8", drpState.SelectedValue);
               
    fields.SetField("A9", txtZip.Text);
              
      // Contacting Section B on PDF
     
               
    fields.SetField("B1", txtContactMethod1.Text);
    
    fields.SetField("B2", txtContactMethod2.Text);
    
    fields.SetField("B3", txtContactMethod3.Text);
              
    fields.SetField("B4", txtOccupation.Text);
    
    fields.SetField("B5", txtEmployer.Text); 
    
                fields.SetField("B6", txtMaidenName.Text);
    
    // Contact Persons Section C on PDF
    
    
    fields.SetField("C1", txtNextofKin.Text);
    
    fields.SetField("C2", txtNoKRelationship.Text);
    
    fields.SetField("C3", txtNoKAddress.Text);
    
    fields.SetField("C4", txtNoKCity.Text);
    
    fields.SetField("C5", drpState2.SelectedValue);
    
    fields.SetField("C6", txtNoKZip.Text);
    
    fields.SetField("C7", txtNoKTelephone.Text);
    
    fields.SetField("C8", txtNoKWorkNumber.Text);
    
    fields.SetField("C9", txtNoKCellNumber.Text);
    
    // Learning Nees Assessment Section D of pdf
    
   
    
    if (radEnglish.Items.FindByValue("English").Selected)
                {
                    fields.SetField("D1", "Yes");
                }
    else
                {
                    fields.SetField("D2", "Yes");
                }
    
    if (radinterpreter.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("D3Y", "Yes");
                }
                else
                {
                    fields.SetField("D3N", "Yes");
                }
    
    if (radinterpreterneeded.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("D4Y", "Yes");
                }
                else
                {
                    fields.SetField("D4N", "Yes");
                }
    
    if (radreading.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("D5Y", "Yes");
                }
                else
                {
                    fields.SetField("D5N", "Yes");
                }
    
    if (radhearing.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("D6Y", "Yes");
                }
                else
                {
                    fields.SetField("D6N", "Yes");
                }
    
    if (radreadingdif.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("D7Y", "Yes");
                }
                else
                {
                    fields.SetField("D7N", "Yes");
                }
    
    if (radwriting.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("D8Y", "Yes");
                }
                else
                {
                    fields.SetField("D8N", "Yes");
                }
    
    if (radspecial.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("D9Y", "Yes");
                }
                else
                {
                    fields.SetField("D9N", "Yes");
                }
    
    fields.SetField("D10", txtSpecialYes.Text);
    
    if (radEducation.SelectedValue == "Elementary")
                {
                    fields.SetField("D11", "Yes");
                }
                else if (radEducation.SelectedValue == "Middle School")
                {
                    fields.SetField("D12", "Yes");
                }
                else if (radEducation.SelectedValue == "High School")
                {
                    fields.SetField("D13", "Yes");
                }
                else if (radEducation.SelectedValue == "Technical School")
                {
                    fields.SetField("D14", "Yes");
                }
                else if (radEducation.SelectedValue == "Associates")
                {
                    fields.SetField("D15", "Yes");
                }
                else if (radEducation.SelectedValue == "Bachelors")
                {
                    fields.SetField("D16", "Yes");
                }
                else if (radEducation.SelectedValue == "Masters")
                {
                    fields.SetField("D17", "Yes");
                }
    
    if (radELearning.SelectedValue == "Reading")
                {
                    fields.SetField("D18", "Yes");
                }
                else if (radEducation.SelectedValue == "Listening")
                {
                    fields.SetField("D19", "Yes");
                }
                else if (radEducation.SelectedValue == "Pictures")
                {
                    fields.SetField("D20", "Yes");
                }
                else if (radEducation.SelectedValue == "Demonstration")
                {
                    fields.SetField("D21", "Yes");
                }
    
    
    
    // Surgical Weight Loss Program
    
    
    if (radCheckDoctor.SelectedValue == "Eric Smith, D.O.")
                {
                    fields.SetField("E1", "Yes");
                }
                else if (radEducation.SelectedValue == "Roderick Tompkins, M.D.")
                {
                    fields.SetField("E2", "Yes");
                }
                else if (radEducation.SelectedValue == "Timmothy Wheeler, M.D.")
                {
                    fields.SetField("E3", "Yes");
                }
    
    
    // how did you first learn about our program
    
    if (radMedium.SelectedValue == "yourheathylife.org/kdmc.com")
                {
                    fields.SetField("E4", "Yes");
                }
                else if (radMedium.SelectedValue == "Other Internet Source")
                {
                    fields.SetField("E5", "Yes");
                }
                else if (radMedium.SelectedValue == "Newspaper")
                {
                    fields.SetField("E6", "Yes");
                }
                else if (radMedium.SelectedValue == "Radio")
                {
                    fields.SetField("E7", "Yes");
                }
                else if (radMedium.SelectedValue == "TV")
                {
                    fields.SetField("E8", "Yes");
                }
                else if (radMedium.SelectedValue == "Physician")
                {
                    fields.SetField("E9", "Yes");
                }
                else if (radMedium.SelectedValue == "Brochure")
                {
                    fields.SetField("E10", "Yes");
                }
    else if (radMedium.SelectedValue == "Telephone Book")
                {
                    fields.SetField("E11", "Yes");
                }
                else if (radMedium.SelectedValue == "Word of Mouth")
                {
                    fields.SetField("E12", "Yes");
                }
                else if (radMedium.SelectedValue == "Other")
                {
                    fields.SetField("E13", "Yes");
                }
    
    
    fields.SetField("E14", txtProgramOther.Text);
    
    
    if (radSurgeryProcedure.SelectedValue == "Gastric Banding")
                {
                    fields.SetField("E15", "Yes");
                }
                else if (radSurgeryProcedure.SelectedValue == "Sleeve Gastrectomy")
                {
                    fields.SetField("E16", "Yes");
                }
                else if (radSurgeryProcedure.SelectedValue == "Gastric Bypass (Roux-En-Y)")
                {
                    fields.SetField("E17", "Yes");
                }
    
    fields.SetField("E18", txtHeight.Text);
    
    fields.SetField("E19", txtWeight.Text);
    
    fields.SetField("E20", txtBMI.Text);
    
    fields.SetField("E21", txtDiets.Text);
    
    //Personal Medical History
    
    if (radF1.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F1Y", "Yes");
                }
                else
                {
                    fields.SetField("F1N", "Yes");
                }
    
    fields.SetField("F2", txtF2details.Text);
    
    if (radF3.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F3Y", "Yes");
                }
                else
                {
                    fields.SetField("F3N", "Yes");
                }
    
    fields.SetField("F4", txtF4details.Text);
    
    if (radF5.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F5Y", "Yes");
                }
                else
                {
                    fields.SetField("F5N", "Yes");
                }
    
    fields.SetField("F6", txtF6details.Text);
    
    if (radF7.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F7Y", "Yes");
                }
                else
                {
                    fields.SetField("F7N", "Yes");
                }
    
    fields.SetField("F8", txtF8details.Text);
    
    if (radF9.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F9Y", "Yes");
                }
                else
                {
                    fields.SetField("F9N", "Yes");
                }
    
    fields.SetField("F10", txtF10details.Text);
    
    if (radF11.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F11Y", "Yes");
                }
                else
                {
                    fields.SetField("F11N", "Yes");
                }
    
    fields.SetField("F12", txtF12details.Text);
    
    if (radF13.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F13Y", "Yes");
                }
                else
                {
                    fields.SetField("F13N", "Yes");
                }
    
    fields.SetField("F14", txtF14details.Text);
    
    if (radF15.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F15Y", "Yes");
                }
                else
                {
                    fields.SetField("F15N", "Yes");
                }
    
    fields.SetField("F16", txtF16details.Text);
    
    if (radF17.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F17Y", "Yes");
                }
                else
                {
                    fields.SetField("F17N", "Yes");
                }
    
    fields.SetField("F18", txtF18details.Text);
    
    if (radF19.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F19Y", "Yes");
                }
                else
                {
                    fields.SetField("F19N", "Yes");
                }
    
    fields.SetField("F20", txtF20details.Text);
    
    if (radF21.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F21Y", "Yes");
                }
                else
                {
                    fields.SetField("F21N", "Yes");
                }
    
    fields.SetField("F22", txtF22details.Text);
    
    if (radF23.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F23Y", "Yes");
                }
                else
                {
                    fields.SetField("F23N", "Yes");
                }
    
    
    if (radF24.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F24Y", "Yes");
                }
                else
                {
                    fields.SetField("F24N", "Yes");
                }
    
    fields.SetField("F25", txtF25details.Text);
    
    fields.SetField("F26", txtF26details.Text);
    
    //Smoking
    
    if (radF27.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F27Y", "Yes");
                }
                else
                {
                    fields.SetField("F27N", "Yes");
                }
    
    fields.SetField("F28", txtF28details.Text);
    
    fields.SetField("F29", txtF29details.Text);
    
    if (radF30.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("F30Y", "Yes");
                }
                else
                {
                    fields.SetField("F30N", "Yes");
                }
    
    fields.SetField("F31", txtF31details.Text);
    
    fields.SetField("F32", txtF32details.Text);
    
    // Surgical History
    
    if (radG1.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("G1Y", "Yes");
                }
                else
                {
                    fields.SetField("G1N", "Yes");
                }
    
    fields.SetField("G2", txtG2details.Text);
    
    if (radG3.SelectedValue.ToLower() == "yes")
                {
                    fields.SetField("G3Y", "Yes");
                }
                else
                {
                    fields.SetField("G3N", "Yes");
                }
    
    // Insurance informaion
    
    fields.SetField("H1", txtH1.Text);
    
    fields.SetField("H2", txtH2.Text);
    
    fields.SetField("H3", txtH3.Text);
    
    fields.SetField("H4", txtH4.Text);
    
    fields.SetField("H5", txtH5.Text);
    
    fields.SetField("H6", txtH6.Text);
    
    fields.SetField("H7", txtH7.Text);
    
    fields.SetField("H8", txtH8.Text);
    
    fields.SetField("H9", txtH9.Text);
    
    fields.SetField("H10", txtH10.Text);
    
    fields.SetField("H11", txtH11.Text);
    
    fields.SetField("H12", txtH12.Text);
    
    fields.SetField("H13", txtH13.Text);
               
    //flatten pdf
                stamper.FormFlattening = true;
                stamper.Close();
    SendEmail(NewFileName, NewFilePath);
            }
            catch(Exception ex)
            {
                Response.Write("Error: " + ex);
            }
 }                

   
 
    private void SendEmail(string filename, string filepath)
    {
        MailMessage mm;
        SmtpClient client = new SmtpClient();
        Attachment att = new Attachment(filepath);
        StringBuilder message;
        client.Host = "hh.000.55.ttt";
        myGUID = (string)Session["sesGUID"];

        //Visitor Message
        if (txtEmail.Text.Length > 0)
        {
            mm = new MailMessage();
            mm.To.Add(new MailAddress(txtEmail.Text));
            mm.From = new MailAddress("some_fool.net");
            mm.IsBodyHtml = true;
            mm.Attachments.Add(att);
            mm.BodyEncoding = System.Text.Encoding.UTF8;
            mm.Subject = "Your Healthy Life Application";
            message = new StringBuilder();
            message.AppendLine("

Your Healthy Life

Dear " + txtLastName.Text + ",

Thank you for sending your application for Your Healthy Life.

For your convenience, attached is a copy of your submitted application. Please print this copy for your records.

Sincerely,

Your Healthy Life/p>");
            mm.Body = message.ToString();
            client.Send(mm);
        }

        // Internal Message
        mm = new MailMessage();
        message = new StringBuilder();
        mm.To.Add(new MailAddress("[email protected]"));
        mm.To.Add(new MailAddress("[email protected]"));
        mm.From = new MailAddress("[email protected]");
        mm.IsBodyHtml = true;
        mm.Attachments.Add(att);
        mm.BodyEncoding = System.Text.Encoding.UTF8;
        message.AppendLine("

New KDMS Application submitted online.

}