Re: iTextSharp and converting a HTML formatted string to PDF

Html To Pdf Itextsharp
Convert String Html To Pdf Itextsharp Download For Mac

Oct 08, 2012 09:26 AM|kaushikmaheta|LINK

Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site. Firstly, we can convert the string of data to PDF by using Popular Library for rendering PDF in ItextSharp. Secondly, we can download / save the converted PDF by using HTTP Response Class which provides response to client and contains information about response in the form of headers and other piece of necessary information.

add Itextsharp.dll

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.aspx page

Order ID:
<asp:TextBox runat='server' Columns='10'></asp:TextBox>
<asp:RequiredFieldValidator runat='server'
ControlToValidate='txtOrderID' ErrorMessage='[Required]' SetFocusOnError='True'></asp:RequiredFieldValidator>


Total Price:
$<asp:TextBox Columns='10' runat='server'></asp:TextBox>
<asp:RequiredFieldValidator runat='server'
ControlToValidate='txtTotalPrice' Display='Dynamic' ErrorMessage='[Required]'
SetFocusOnError='True'></asp:RequiredFieldValidator>
<asp:CompareValidator runat='server'
ControlToValidate='txtTotalPrice' Display='Dynamic' ErrorMessage='[Invalid]'
Operator='GreaterThan' SetFocusOnError='True' ValueToCompare='0'></asp:CompareValidator>


What Items Were Purchased?
<asp:CheckBoxList runat='server'>
<asp:ListItem Value='Widget|450FX|4'>Four widgets</asp:ListItem>
<asp:ListItem Value='Thingamajiggs|780JP|3'>Three Thingamajiggs</asp:ListItem>
<asp:ListItem Value='Whatchacallit|89001|1'>One Whatchacallit</asp:ListItem>
<asp:ListItem Value='Thingamabops|A0902X|7'>Seven Thingamabops</asp:ListItem>
</asp:CheckBoxList>


<asp:Button runat='server' Text='Create Receipt'
/>

.aspx.cs page

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 iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.html.simpleparser;
public partial class ConvertHTMLtoPDF : System.Web.UI.Page
{
protected void btnCreatePDF_Click(object sender, EventArgs e)
{
// Create a Document object
var document = new Document(PageSize.A4, 50, 50, 25, 25);
// Create a new PdfWrite object, writing the output to a MemoryStream
var output = new MemoryStream();
var writer = PdfWriter.GetInstance(document, output);
// Open the Document for writing
document.Open();
// Read in the contents of the Receipt.htm HTML template file
string contents = File.ReadAllText(Server.MapPath('~/HTMLTemplate/Receipt.htm'));
// Replace the placeholders with the user-specified text
contents = contents.Replace('[ORDERID]', txtOrderID.Text);
contents = contents.Replace('[TOTALPRICE]', Convert.ToDecimal(txtTotalPrice.Text).ToString('c'));
contents = contents.Replace('[ORDERDATE]', DateTime.Now.ToShortDateString());
var itemsTable = @'<table><tr><thfont-weight: bold'>Item #</th><thfont-weight: bold'>Item Name</th><thfont-weight: bold'>Qty</th></tr>';
foreach (System.Web.UI.WebControls.ListItem item in cblItemsPurchased.Items)
if (item.Selected)
{
// Each CheckBoxList item has a value of ITEMNAME|ITEM#|QTY, so we split on | and pull these values out..
var pieces = item.Value.Split('|'.ToCharArray());
itemsTable += string.Format('<tr><td>{0}</td><td>{1}</td><td>{2}</td></tr>',
pieces[1], pieces[0], pieces[2]);
}
itemsTable += '</table>';
contents = contents.Replace('[ITEMS]', itemsTable);
var parsedHtmlElements = HTMLWorker.ParseToList(new StringReader(contents), null);
foreach (var htmlElement in parsedHtmlElements)
document.Add(htmlElement as IElement);
// You can add additional elements to the document. Let's add an image in the upper right corner
var logo = iTextSharp.text.Image.GetInstance(Server.MapPath('~/Images/4guysfromrolla.gif'));
logo.SetAbsolutePosition(440, 800);
document.Add(logo);
document.Close();
Response.ContentType = 'application/pdf';
Response.AddHeader('Content-Disposition', string.Format('attachment;filename=Receipt-{0}.pdf', txtOrderID.Text));
Response.BinaryWrite(output.ToArray());
}
}

Html To Pdf Itextsharp

How to convert HTML content to PDF? Once, this question was very intricate. But after getting the solution I found it like a piece of cake. Here, I have provided solution with C# code so that you don’t have to waste your time by looking here and there for the solutions.

I have used iTextSharp.dll (version 4.0.6.0)in my solution which is very useful indeed. You can get it from here.

Review the below code, where I have converted content of the GridView to HTML and then I have converted that HTML content into a PDF file.

Convert String Html To Pdf Itextsharp Download For Mac

I have put comments with the code for more specification.
//Include following name space to use iTextSharp library using iTextSharp.text; using iTextSharp.text.pdf; //Document is inbuilt class, available in iTextSharp Document document = new Document(PageSize.A4, 80, 50, 30, 65); StringBuilder strData = new StringBuilder(string.Empty); //I have provided Path for the HTML which will be generated from GridView content string strHTMLpath = Server.MapPath('MyHTML.html'); //I have provided Path for the PDF file which will be generated from HTML content string strPDFpath = Server.MapPath('MyPDF.pdf'); try { StringWriter sw = new StringWriter(); sw.WriteLine(Environment.NewLine); sw.WriteLine(Environment.NewLine); sw.WriteLine(Environment.NewLine); sw.WriteLine(Environment.NewLine); HtmlTextWriter htw = new HtmlTextWriter(sw); //gvSearchResult is a GridView, I have converted its content to HTML and will acquire final PDF file /*Here i have set AllowPaging and AllowSorting property of GridView as false, As my aim is to get whole content of the GridView in a single table, by setting these properties and binding the GridView again will remove paging and sorting property from it. */ gvSerchResult.AllowPaging = false; gvSerchResult.AllowSorting = false; BindGridView(); //Rendering the HtmlTextWriter gvSerchResult.RenderControl(htw); /*Here i have set AllowPaging and AllowSorting property of GridView as true, As my aim is to get whole content of the GridView is now finished and I have acquire its content in HtmlTextWriter. Then by setting properties again I will get the original form of my GridView again*/ gvSerchResult.AllowPaging = true; gvSerchResult.AllowSorting = true; BindGridView(); StreamWriter strWriter = new StreamWriter(strHTMLpath, false, Encoding.UTF8); strWriter.Write('<html><head><link href=Style.css rel=stylesheet type=text/css /></head><body>' + htw.InnerWriter.ToString() + '</body></html>'); strWriter.Close(); strWriter.Dispose(); iTextSharp.text.html.simpleparser. StyleSheet styles = new iTextSharp.text.html.simpleparser.StyleSheet(); styles.LoadTagStyle('ol', 'leading', '16,0'); PdfWriter.GetInstance(