PDFテンプレートを使用するこのチュートリアルhttp://www.4guysfromrolla.com/articles/030211-1.aspxを使用しているため、ユーザーはテキストボックスを使用してフィールドに入力できます。ファイルはクライアントのPCにダウンロードされますが、ファイルのコピーをSQLデータベースにも保存するか、両方ではなくデータベースにファイルを保存したいと思います。
protected void btnGeneratePDF_Click(object sender, EventArgs e)
{
var pdfPath = Path.Combine(Server.MapPath("~/PDFTemplates/fw9.pdf"));
// Get the form fields for this PDF and fill them in!
var formFieldMap = PDFHelper.GetFormFieldNames(pdfPath);
formFieldMap["topmostSubform[0].Page1[0].f1_01_0_[0]"] = txtName.Text;
formFieldMap["topmostSubform[0].Page1[0].f1_02_0_[0]"] = txtBusinessName.Text;
if (rblTaxClassification.SelectedValue != null)
{
var formFieldName = string.Format("topmostSubform[0].Page1[0].c1_01[{0}]", rblTaxClassification.SelectedIndex);
formFieldMap[formFieldName] = (rblTaxClassification.SelectedIndex + 1).ToString();
}
if (chkExemptPayee.Checked)
formFieldMap["topmostSubform[0].Page1[0].c1_01[7]"] = "8";
formFieldMap["topmostSubform[0].Page1[0].f1_04_0_[0]"] = txtAddress.Text;
formFieldMap["topmostSubform[0].Page1[0].f1_05_0_[0]"] = txtCityStateZIP.Text;
formFieldMap["topmostSubform[0].Page1[0].f1_07_0_[0]"] = txtAccountNumbers.Text;
// Requester's name and address (hard-coded)
formFieldMap["topmostSubform[0].Page1[0].f1_06_0_[0]"] = "Acme Website\n123 Anywhere Lane\nSpringfield, USA";
// SSN
if (!string.IsNullOrEmpty(txtSSN1.Text))
{
formFieldMap["topmostSubform[0].Page1[0].social[0].TextField1[0]"] = txtSSN1.Text;
formFieldMap["topmostSubform[0].Page1[0].social[0].TextField2[0]"] = txtSSN2.Text;
formFieldMap["topmostSubform[0].Page1[0].social[0].TextField2[1]"] = txtSSN3.Text;
}
else if (!string.IsNullOrEmpty(txtEIN1.Text))
{
formFieldMap["topmostSubform[0].Page1[0].social[0].TextField2[2]"] = txtEIN1.Text;
formFieldMap["topmostSubform[0].Page1[0].social[0].TextField2[3]"] = txtEIN2.Text;
}
var pdfContents = PDFHelper.GeneratePDF(pdfPath, formFieldMap);
PDFHelper.ReturnPDF(pdfContents, "Completed-W9.pdf");
FileStream fs = new FileStream(pdfPath, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fs);
Byte[] bytes = br.ReadBytes((Int32)fs.Length);
br.Close();
fs.Close();
//insert the file into database
string strQuery = "insert into tblFiles(Name, ContentType, Data) values (@Name, @ContentType, @Data)";
SqlCommand cmd = new SqlCommand(strQuery);
cmd.Parameters.Add("@Name", SqlDbType.VarChar).Value = "Completed-W9132.pdf";
cmd.Parameters.Add("@ContentType", SqlDbType.VarChar).Value = "application/pdf";
cmd.Parameters.Add("@Data", SqlDbType.Binary).Value = bytes;
InsertUpdateData(cmd);
App_code/pdfHelper.cs
using System;
using System.Collections.Generic;
using System.Collections;
using System.Linq;
using System.Web;
using System.IO;
using iTextSharp.text.pdf;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
public class PDFHelper
{
public static Dictionary<string, string> GetFormFieldNames(string pdfPath)
{
var fields = new Dictionary<string, string>();
var reader = new PdfReader(pdfPath);
foreach (DictionaryEntry entry in reader.AcroFields.Fields)
fields.Add(entry.Key.ToString(), string.Empty);
reader.Close();
return fields;
}
public static byte[] GeneratePDF(string pdfPath, Dictionary<string, string> 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();
}
// See http://stackoverflow.com/questions/4491156/get-the-export-value-of-a-checkbox-using-itextsharp/
public static string GetExportValue(AcroFields.Item item)
{
var valueDict = item.GetValue(0);
var appearanceDict = valueDict.GetAsDict(PdfName.AP);
if (appearanceDict != null)
{
var normalAppearances = appearanceDict.GetAsDict(PdfName.N);
// /D is for the "down" appearances.
// if there are normal appearances, one key will be "Off", and the other
// will be the export value... there should only be two.
if (normalAppearances != null)
{
foreach (var curKey in normalAppearances.Keys)
if (!PdfName.OFF.Equals(curKey))
return curKey.ToString().Substring(1); // string will have a leading '/' character, so remove it!
}
}
// if that doesn't work, there might be an /AS key, whose value is a name with
// the export value, again with a leading '/', so remove it!
var curVal = valueDict.GetAsName(PdfName.AS);
if (curVal != null)
return curVal.ToString().Substring(1);
else
return string.Empty;
}
public static void ReturnPDF(byte[] contents)
{
ReturnPDF(contents, null);
}
public static void ReturnPDF(byte[] contents, string attachmentFilename)
{
var response = HttpContext.Current.Response;
if (!string.IsNullOrEmpty(attachmentFilename))
response.AddHeader("Content-Disposition", "attachment; filename=" + attachmentFilename);
response.ContentType = "application/pdf";
response.BinaryWrite(contents);
response.End();
}
}