How to hide generated javascript file in visual studio code

In this post I am going to show you a cool trick in visual studio code. Let's suppose you are writing typescript code in visual studio code and you want to hide generated javascript code.

Create .vscode folder in your folder and then create settings.json file and paste following code

{ "files.exclude": { "node_modules":true, "**/.git": true, "**/.DS_Store": true, "**/*.js.map": true, "**/*.js": {"when": "$(basename).ts"}     } }

how to convert web page to pdf

In this post i will show how to convert web page to pdf using iTextSharp.
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Pdf.aspx.cs" Inherits="Pdf" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <asp:PlaceHolder ID="PlaceholderPdf" runat="server"></asp:PlaceHolder>
    <div>
        <table border="1">
            <tr>
                <td colspan="2">
                    aspdotnetcodebook
                </td>
            </tr>
            <tr>
                <td>
                    cell1
                </td>
                <td>
                    cell2
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <asp:Label ID="lblLabel" runat="server" Text="Label Test"></asp:Label>
                </td>
            </tr>
        </table>
    </div>
    </form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Text.RegularExpressions;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.html;
using iTextSharp.text.xml;
using System.Xml;
using iTextSharp.text.html.simpleparser;
public partial class Pdf : System.Web.UI.Page
{
    protected override void Render(HtmlTextWriter writer)
    {
        MemoryStream mem = new MemoryStream();
        StreamWriter twr = new StreamWriter(mem);
        HtmlTextWriter myWriter = new HtmlTextWriter(twr);
        base.Render(myWriter);
        myWriter.Flush();
        myWriter.Dispose();
        StreamReader strmRdr = new StreamReader(mem);
        strmRdr.BaseStream.Position = 0;
        string pageContent = strmRdr.ReadToEnd();
        strmRdr.Dispose();
        mem.Dispose();
        writer.Write(pageContent);
        CreatePDFDocument(pageContent);


    }
    public  void CreatePDFDocument(string strHtml)
    {

        string strFileName = HttpContext.Current.Server.MapPath("test.pdf");
        // step 1: creation of a document-object
        Document document = new Document();
        // step 2:
        // we create a writer that listens to the document
        PdfWriter.GetInstance(document, new FileStream(strFileName, FileMode.Create));
        StringReader se = new StringReader(strHtml);
        HTMLWorker obj = new HTMLWorker(document);
        document.Open();
        obj.Parse(se);
        document.Close();
        ShowPdf(strFileName);
     
   
     
    }
    public void ShowPdf(string strFileName)
    {
        Response.ClearContent();
        Response.ClearHeaders();
        Response.AddHeader("Content-Disposition", "inline;filename=" + strFileName);
        Response.ContentType = "application/pdf";
        Response.WriteFile(strFileName);
        Response.Flush();
        Response.Clear();
    }
}

Comments

  1. Very good job....It helped me a lot..

    ReplyDelete
  2. To simply and fast create pdf file use .rdlc file in VStudio. There is a WYSWIG that help you do it :)

    ReplyDelete
  3. Hi I am getting following error
    Any Ideas


    The network path was not found.

    Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

    Exception Details: System.IO.IOException: The network path was not found.


    Source Error:


    Line 52: HTMLWorker obj = new HTMLWorker(document);
    Line 53: document.Open();
    Line 54: obj.Parse(se);
    Line 55: document.Close();
    Line 56: ShowPdf(strFileName);

    ReplyDelete
  4. This piece of code is not working verry well tabels are always 100% width and images are not in position.

    somebody any ideas?

    ReplyDelete
  5. Even I am getting a message and a piece of code is not working. It sstopped at obj.Parse(se);
    and says Could not find a part of the path 'C:\Images\logo.JPG'.

    Please help!!!!

    ReplyDelete
  6. Even I am getting a message and a piece of code is not working. It sstopped at obj.Parse(se);
    and says Could not find a part of the path 'C:\Images\logo.JPG'.

    Please help!!!!

    ReplyDelete
  7. HI
    Please debug and send me exact error message

    ReplyDelete
  8. HI
    Please debug and send me exact error message

    ReplyDelete
  9. I am rajesh m Somvanshi
    I Use iTextSharp.dll for Convert ASPX page in PDF Formate That is Done Successfully But My CSS is Not working in PDF File

    Please Help Me....

    ReplyDelete
  10. Hi Rajesh,
    If you want to maintain css then you may create table structure manually.For more details check out this link
    http://forums.asp.net/t/1433490.aspx

    ReplyDelete
  11. Hi all
    If page contain any image control or file then How would we render it to PDF?

    ReplyDelete
  12. Hi GyanPrakash,
    Have u tried my code?

    ReplyDelete
  13. yes i have tried , it works only simple pages
    if page contain any images ,it couldnt work.

    ReplyDelete
  14. Ok I will look into this and get back to u soon.

    ReplyDelete
  15. hi Santhosh,

    Iam getting the following error while runing this sample:
    "Access to the path 'C:\' is denied"
    The above error raised at "CreatePDFDocument()" method at line "obj.Parse(se); "

    Plz help me as soon as posible. its very urgent for me. Any will be highly appriciatable.

    Thanks,
    kumar

    ReplyDelete
  16. Hi Kumar
    From your error message it is clear that the asp.net user does not have access write to c drive.
    Do one thing create a temp folder in c drive and write the newly created pdf to that folder.

    string strFileName = @"C:\temp\test.pdf"

    ReplyDelete
  17. Hi Santosh
    Could you plese suggest me what will be the variable to be used in render method.

    ReplyDelete
  18. I use online service http://www.web2pdfconvert.com/pdf-api.aspx
    Works great, I just pass URL of web page which I want to convert using REST and get PDF as stream back. But this solution only works if web pages are accessible from online.

    ReplyDelete
  19. HI Actually your code is very helpfull,But it
    doesn`t work with images .
    it gives error in
    obj.Parse(se);
    so if there is solution then please tell me .

    ReplyDelete
  20. Hi,
    is very good,
    but one problem itextsharp no found with style,

    for example

    width:500px

    ReplyDelete
  21. HI Actually your code is very helpfull,But it
    doesn`t work with images .
    it gives error in
    obj.Parse(se);
    so if there is solution then please tell me .

    ReplyDelete
  22. If u want image u need to write server path of image in img tag like,

    src="http://localhost:1060/Project/images/image1.jpg" alt="ImageName"

    cheers!!!

    ReplyDelete
  23. i m getting error on this line
    obj.Parse(se);

    error is
    1.The best overloaded method match for 'iTextSharp.text.html.simpleparser.HTMLWorker.Parse(System.IO.StreamReader)' has some invalid arguments E:\vikas\reporteg1\WebApplication7\Default.aspx.cs 232 14 WebApplication7
    2.Argument '1': cannot convert from 'System.IO.StringReader' to 'System.IO.StreamReader' E:\vikas\reporteg1\WebApplication7\Default.aspx.cs 232 24 WebApplication7


    can u just tell me what is wrong

    ReplyDelete
  24. Hi,

    I m Vinay. I am very much thank you for your Code.

    ReplyDelete
  25. Basic html for styling like bgcolor, width ,border=0.5 ,align , font color , size

    For image

    iTextSharp.text.Image gif = iTextSharp.text.Image.GetInstance((Server.MapPath("/") + "123451.jpg"));

    document.Add(gif);

    ReplyDelete
  26. hi i m using ur code in placeholder1 which contain a table.i got this error please help me


    System.InvalidCastException: Unable to cast object of type 'iTextSharp.text.html.simpleparser.CellWrapper' to type 'iTextSharp.text.Rectangle'.

    ReplyDelete
  27. Hi i am using ur code in placeholder which contain 5 or 6 big images i got error

    ReplyDelete
  28. Hi,
    I'm using the above code.There is image in my page.While executing,it's giving error as "Input string is not in correct format" on line

    obj.Parse(se);

    can anybody help me to resolve this?

    ReplyDelete
  29. hi..if there are merged cells in grid view then merging disappears in pdf

    ReplyDelete
  30. i got a itext error ... would u pleas how to solves this name spaces error ..

    ReplyDelete
  31. Have you downloaded itextsharp lib

    ReplyDelete
  32. hi,i have uploaded the word document using the code provided by your blog


    public partial class Default5 : System.Web.UI.Page
    {
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void btnRead_Click(object sender, EventArgs e)
    {

    ApplicationClass wordApp = new ApplicationClass();



    string filePath = FileUpload1.PostedFile.FileName;

    object file = filePath;

    object nullobj = System.Reflection.Missing.Value;



    Document doc = wordApp.Documents.Open(ref file,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj,
    ref nullobj);


    Document doc1 = wordApp.ActiveDocument;

    string m_Content = doc1.Content.Text;



    TextBox1.Text = m_Content;

    doc.Close(ref nullobj, ref nullobj, ref nullobj);
    }
    }



    it is working fine,i have a requirement that is,after uploading the word document if i make any modifications in that it should be saved,how can do this?

    ReplyDelete
  33. hi , can you let know off how to extract a specific named div . I want to extract export only a part of the page . Thanks for the help

    ReplyDelete
  34. Hi, thanks for the code. Can you tell me how you are calling the "Render" method, though? Thanks.

    ReplyDelete
  35. convert aspx to pdf. using css design not appear in pdf

    ReplyDelete
  36. can u please tell me that what's the use of Render method here...?

    ReplyDelete
  37. Hi Can you please help me i am getting error as Access to the path 'C:\' is denied. at

    htmlparser.Parse(sr);

    below is my code .Please help its urgent

    Response.ContentType = "application/pdf";
    Response.AddHeader("content-disposition", "attachment;filename=" + filename + ".pdf");
    Response.Cache.SetCacheability(HttpCacheability.NoCache);
    ExportText = FormatText(ExportText);
    StringReader sr = new StringReader(ExportText);
    Document pdfDoc = new Document(PageSize.A4, 20, 20, 50, 40);
    HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
    PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
    pdfDoc.Open();
    htmlparser.Parse(sr);
    pdfDoc.Close();
    Response.Write(pdfDoc);
    Response.End();

    ReplyDelete
  38. Good blog.....It help me out thanks again:)

    ReplyDelete
  39. Thank you for this post, this was very helpful to me in my project. Do you have code about how to disallow anyone from copy image in asp.net?

    ReplyDelete
  40. Input string was not in a correct format.

    Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

    Exception Details: System.FormatException: Input string was not in a correct format.

    Source Error:


    Line 71: iTextSharp.text.html.simpleparser.StyleSheet styles = new iTextSharp.text.html.simpleparser.StyleSheet();
    Line 72: iTextSharp.text.html.simpleparser.HTMLWorker hw = new iTextSharp.text.html.simpleparser.HTMLWorker(document);
    Line 73: hw.Parse(new StringReader(HTML));
    Line 74: document.Close();
    Line 75: ShowPdf("Chap0101.pdf");

    Source File: e:\Vijith\SaveData\Default2.aspx.cs Line: 73

    Stack Trace:


    [FormatException: Input string was not in a correct format.]
    System.Number.ParseSingle(String value, NumberStyles options, NumberFormatInfo numfmt) +9422867
    System.Single.Parse(String s, IFormatProvider provider) +25
    iTextSharp.text.html.simpleparser.CellWrapper..ctor(String tag, ChainedProperties chain) +245
    iTextSharp.text.html.simpleparser.HTMLWorker.CreateCell(String tag) +56
    iTextSharp.text.html.simpleparser.HTMLTagProcessor_TD.StartElement(HTMLWorker worker, String tag, IDictionary`2 attrs) +135
    iTextSharp.text.html.simpleparser.HTMLWorker.StartElement(String tag, IDictionary`2 attrs) +127
    iTextSharp.text.xml.simpleparser.SimpleXMLParser.ProcessTag(Boolean start) +75
    iTextSharp.text.xml.simpleparser.SimpleXMLParser.Go(TextReader reader) +1745
    iTextSharp.text.xml.simpleparser.SimpleXMLParser.Parse(ISimpleXMLDocHandler doc, ISimpleXMLDocHandlerComment comment, TextReader r, Boolean html) +83
    iTextSharp.text.html.simpleparser.HTMLWorker.Parse(TextReader reader) +59
    Default2.HTMLToPdf(String HTML, String FilePath) in e:\Vijith\SaveData\Default2.aspx.cs:73
    Default2.Button1_Click1(Object sender, EventArgs e) in e:\Vijith\SaveData\Default2.aspx.cs:36
    System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118
    System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112
    System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
    System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
    System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
    System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5563

    ReplyDelete
  41. htmlparser.Parse(sr);

    below is my code .Please help its urgent

    Response.ContentType = "application/pdf";
    Response.AddHeader("content-disposition", "attachment;filename=" + filename + ".pdf");
    Response.Cache.SetCacheability(HttpCacheability.NoCache);
    ExportText = FormatText(ExportText);
    StringReader sr = new StringReader(ExportText);
    Document pdfDoc = new Document(PageSize.A4, 20, 20, 50, 40);
    HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
    PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
    pdfDoc.Open();
    htmlparser.Parse(sr);
    pdfDoc.Close();
    Response.Write(pdfDoc);
    Response.End();
    i m getting html parser error,plz suggets

    ReplyDelete
  42. plz suggest thnx
    i am using itextsharp for converting my asp page to pdf...............i am facing css issue as my page is in div structure..............also getting error also but getting error:
    Protected Sub btnExport_Click(sender As Object, e As EventArgs)
    Response.ContentType = "application/pdf"
    Response.AddHeader("content-disposition", "attachment;filename=TestPage.pdf")
    Response.Cache.SetCacheability(HttpCacheability.NoCache)
    Dim sw As New StringWriter()
    Dim hw As New HtmlTextWriter(sw)
    Me.Page.RenderControl(hw)

    Dim sr As New StringReader(sw.ToString())
    Dim pdfDoc As New Document(PageSize.A4, 10.0F, 10.0F, 100.0F, 0.0F)
    Dim htmlparser As New HTMLWorker(pdfDoc)
    PdfWriter.GetInstance(pdfDoc, Response.OutputStream)
    pdfDoc.Open()
    htmlparser.Parse(sr)
    pdfDoc.Close()
    Response.Write(pdfDoc)
    Response.[End]()
    End Sub

    http://www.mikesdotnetting.com/Article/87/iTextSharp-Working-with-images

    using itextsharp dll for converting
    htmlparser.Parse(sr)

    is not defining proper path for the images:

    Exception Details: System.IO.DirectoryNotFoundException: Could not find a part of the path 'C:\Images\Layout\an-Logo.png'.

    ReplyDelete
  43. Wow muchisimas gracias me sirvio de mucho, funciona perfectamente y es justo lo que estaba buscando. En verdad muchas gracias.

    ReplyDelete
  44. Thanks for this code May I knwo cam this work for grid view.In my aspx i have label and gridview alos and check box for label control the data is showing properly but for others it won't show any thing please help me n thans in advance I am tarun Nigam my mail id is nigam_tarun2003@yahoo.co.in

    ReplyDelete
  45. Hi,
    Iam converting aspx page to pdf by using this..while converting iam getting error "Input string is not in correct format "

    Can anyone plz help me

    ReplyDelete
  46. I need that my chart must export the CSV file or Excel file so for that i have to write the Function in ASP.NET MVC and I am the Beginner in MVC.

    ReplyDelete
  47. Hi Thanks for the code .Actually it works fine but in

    obj.Parse(se);

    it gives error as illegal character .i thought HTML Worker would not able to parse some of the character in string reader.
    Any Idea.

    ReplyDelete
  48. i have link in gridview whern i click on pdf_click button then error arise in vb.net coade
    Unable to cast object of type 'iTextSharp.text.html.simpleparser.CellWrapper' to type 'iTextSharp.text.Paragraph'.
    how can i do

    ReplyDelete
  49. Hi all,will you provide solution to me "If page contain any image control or file then How would we render it to PDF? "

    ReplyDelete
  50. The process cannot access the file 'H:\AESMSFINAL\AESMS 4-08-2013\test.pdf' because it is being used by another process

    ReplyDelete
    Replies
    1. Sam, try closing the document instance if there is an exception

      Delete
  51. Hi...
    My Code

    Response.ContentType = "application/pdf";
    Response.AddHeader("content-disposition", "attachment;filename=UserDetails.pdf");
    Response.Cache.SetCacheability(HttpCacheability.NoCache);
    StringWriter sw = new StringWriter();
    HtmlTextWriter hw = new HtmlTextWriter(sw);
    this.Page.RenderControl(hw);
    StringReader sr = new StringReader(sw.ToString());
    Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 100f, 0.0f);
    HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
    PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
    pdfDoc.Open();
    htmlparser.Parse(sr);
    pdfDoc.Close();
    Response.Write(pdfDoc);
    Response.End();
    but error Unable to cast object of type 'iTextSharp.text.html.simpleparser.IncTable' to type 'iTextSharp.text.ITextElementArray'.
    pls help

    ReplyDelete
  52. This comment has been removed by the author.

    ReplyDelete
  53. Very Simple Article . Thanks

    ReplyDelete

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