如何从 ASP.Net Web 表单创建 pdf

Question

我开发了一个 ASP.Net 应用程序，并开发了一个包含一些条目的 Web 表单。现在我想把这个表格转换成PDF文件，可以吗？

有什么好的免费图书馆吗？

Answer 1

要创建 pdf 文件，您可以使用 itextsharp 或 pdf 锐利

Answer 2

您可以使用 ITextSharp 等免费库，或者对于更复杂的情况，您可以使用 TxtControl 的服务器版本从网站生成文档。

TxtControl 还提供用于创建文档的 OnDemand 服务...

Answer 3

您可能会发现 Ghostscript 库很有用 http://www.ghostscript.com/

Answer 4

     Document doc = new Document(PageSize.A4);
   // Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 100f, 0f);
    Response.ContentType = "application/pdf";
    Response.AddHeader("content-disposition", "attachment;filename=hello.pdf");
    Response.Cache.SetCacheability(HttpCacheability.NoCache);

    PdfWriter.GetInstance(doc, Response.OutputStream);
    string imagepath = Server.MapPath("IMG");
    doc.Open();

    doc.Add(new Paragraph());
    Image gif = Image.GetInstance(imagepath + "/asd.jpg");
    doc.Add(gif);

    PdfPTable table1 = new PdfPTable(2);

    table1.WidthPercentage = 90;

    PdfPCell cell11 = new PdfPCell();

    cell11.AddElement(new Paragraph("Receipt ID : " + 124325));

    cell11.AddElement(new Paragraph("Date : " + "25-Feb-2013"));

    cell11.AddElement(new Paragraph("Photo Status : " + "No"));

    cell11.VerticalAlignment = Element.ALIGN_LEFT;

    PdfPCell cell12 = new PdfPCell();

    cell12.AddElement(new Paragraph("Transaction ID : " + 4544));

    cell12.AddElement(new Paragraph("Expected Date Of Delivery : " + "25-Feb-2013"));

    cell12.VerticalAlignment = Element.ALIGN_RIGHT;

    table1.AddCell(cell11);

    table1.AddCell(cell12);

    PdfPTable table2 = new PdfPTable(3);



    //One row added

    PdfPCell cell21 = new PdfPCell();

    cell21.AddElement(new Paragraph("Photo Type"));

    PdfPCell cell22 = new PdfPCell();

    cell22.AddElement(new Paragraph("No. of Copies"));

    PdfPCell cell23 = new PdfPCell();

    cell23.AddElement(new Paragraph("Amount"));

    table2.AddCell(cell21);

    table2.AddCell(cell22);

    table2.AddCell(cell23);



    //New Row Added

    PdfPCell cell31 = new PdfPCell();

    cell31.AddElement(new Paragraph("type"));

    cell31.FixedHeight = 300.0f;

    PdfPCell cell32 = new PdfPCell();

    cell32.AddElement(new Paragraph(5));

    cell32.FixedHeight = 300.0f;

    PdfPCell cell33 = new PdfPCell();

    cell33.AddElement(new Paragraph("20.00 *   noOfCopy  = " + (20 * Convert.ToInt32(5)) + ".00"));

    cell33.FixedHeight = 300.0f;



    table2.AddCell(cell31);

    table2.AddCell(cell32);

    table2.AddCell(cell33);



    PdfPCell cell2A = new PdfPCell(table2);

    cell2A.Colspan = 2;

    table1.AddCell(cell2A);

    PdfPCell cell41 = new PdfPCell();

    cell41.AddElement(new Paragraph("Name : " + "fdfgdg"));

    cell41.AddElement(new Paragraph("Advance : " + "245"));

    cell11.VerticalAlignment = Element.ALIGN_LEFT;

    PdfPCell cell42 = new PdfPCell();

    cell42.AddElement(new Paragraph("Customer ID : " + 34345));

    cell42.AddElement(new Paragraph("Balance : " + 20545));

    cell42.VerticalAlignment = Element.ALIGN_RIGHT;

    table1.AddCell(cell41);

    table1.AddCell(cell42);
    doc.Add(table1);

    doc.Close();


    //pdfDoc.Open();
    //htmlparser.Parse(sr);
    //pdfDoc.Close();
    Response.Write(doc);
    Response.End();