Parsing Reading PDF file and convert it into text format using asp.net C#

How to Parsing / Reading PDF file and convert it into text format using programatically asp.net C# ?

The following code will demonstrate how to reading/parsing the pdf file and convert the same into text / string formate using string builder and PDFBo.

Steps:

 

1. Download the following file and put those files it into bin folder.

Download PDFBox Link 

• FontBox-0.1.0-dev.dll
• IKVM.GNU.Classpath.dll
• IKVM.Runtime.dll
• PDFBox-0.7.3.dll

 Add this assembly files as reference using addreferrence to the working web application director.

2. Add the following namespaces then

using org.pdfbox.pdmodel;
using org.pdfbox.util;
using System.IO;

3. Create the new plain empty text file with the filename of "textfilename" where the converted pdf file would be stored. Add your pdf & text file in your project itself.

Sample full code demo:

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

using org.pdfbox.pdmodel;
using org.pdfbox.util;
using System.IO;

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

            parsePDF(Server.MapPath("pdffilename.pdf"), Server.MapPath("textfilename.txt"));
        }
        public void parsePDF(string pdf_in, string txt_out)
        {
            StreamWriter sw = new StreamWriter(txt_out, false);
            try
            {
                sw.WriteLine();
                sw.WriteLine(DateTime.Now.ToString());
                PDDocument doc = PDDocument.load(pdf_in);
                PDFTextStripper stripper = new PDFTextStripper();
                sw.Write(stripper.getText(doc));
            }
            catch (Exception ex) { Response.Write(ex.Message); }
            finally
            {
                sw.Close();
                sw.Dispose();
            }
        }
    }
}