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Export gridview contents to PDF with c#

Posted on 2010-11-12
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Last Modified: 2012-05-10
Hi Experts,

just trying to achieve the above with these codes

but i get a message saying "Adobe Reader could not open the file because it is either not a supported file type or the file has been damaged"

Do I need an extract component installed on my machine?

thanks

public static void ExportPDF(string fileName, GridView gv)
    {
        HttpContext.Current.Response.Clear();
        HttpContext.Current.Response.AddHeader("content-disposition", string.Format("attachment; filename={0}", fileName));
        HttpContext.Current.Response.ContentType = "application/pdf;";

        using (StringWriter sw = new StringWriter())
        {
            using (HtmlTextWriter htw = new HtmlTextWriter(sw))
            {
                //  Create a form to contain the grid
                Table table = new Table();
                //  include the gridline settings

                table.GridLines = gv.GridLines;
                //  add the header row to the table
                if (gv.HeaderRow != null)
                {
                    GridViewExportUtil.PrepareControlForExport(gv.HeaderRow);
                    table.Rows.Add(gv.HeaderRow);
                }

                //  add each of the data rows to the table
                foreach (GridViewRow row in gv.Rows)
                {
                    GridViewExportUtil.PrepareControlForExport(row);
                    table.Rows.Add(row);
                }

                //  add the footer row to the table
                if (gv.FooterRow != null)
                {
                    GridViewExportUtil.PrepareControlForExport(gv.FooterRow);
                    table.Rows.Add(gv.FooterRow);
                }

                //  render the table into the htmlwriter
                table.RenderControl(htw);

                //  render the htmlwriter into the response
                HttpContext.Current.Response.Write(sw.ToString());
                HttpContext.Current.Response.End();
            }
        }
    }
    #endregion


========================================================= 

protected void Button1_Click(object sender, EventArgs e)
    {
        if (this.rdoStudentListExportOptions.SelectedIndex == 1)
        {
            //  the user wants all rows exported, turn off paging
            //  and rebing the grid before sending it to the export  utility
            this.gvAcademy.AllowPaging = false;
            this.gvAcademy.DataBind();
        }
        else if (this.rdoStudentListExportOptions.SelectedIndex == 2)
        {
            //  the user wants just the first 2000,
            //  adjust the PageSize and rebind
            this.gvAcademy.PageSize = 2000;
            this.gvAcademy.DataBind();
        }
        //  pass the grid that for exporting ...
        GridViewExportUtil.ExportPDF("HE_STUDENTS.pdf", this.gvAcademy);
    }

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Question by:SirReadAlot
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5 Comments
 
LVL 7

Expert Comment

by:niralshah
ID: 34119164
0
 
LVL 1

Accepted Solution

by:
imdadhusen earned 2000 total points
ID: 34119197
Hi

Use following code to Export Gridview to PDF
Order.aspx contain Gridview
attached itextsharp.dll is a free dll
following code in HTMLtoPDF.aspx.cs to generate PDF
// Create instance of a new document
            Document doc = new Document(PageSize.A4, 10, 10, 50, 50);
            // Change   the content type to application/pdf !Important
            HttpContext.Current.Response.ContentType = "application/pdf";
            // Get   Instance of pdfWriter to be able to create 
            // the document in the OutputStream
            PdfWriter.GetInstance(doc, HttpContext.Current.Response.OutputStream);
            // Create   Style Sheet
            StyleSheet styles = new iTextSharp.text.html.simpleparser.StyleSheet();
            //--styles.LoadTagStyle("ol", "leading", "16,0");
            doc.Add(new Header(iTextSharp.text.html.Markup.HTML_ATTR_STYLESHEET, "Style.css"));
            // Open the   document to be able to write to it
            doc.Open();
            //--styles.LoadTagStyle("li", "face", "garamond");
            //--styles.LoadTagStyle("span", "size", "8px");
            //--styles.LoadTagStyle("body", "font-family", "times new roman");
            //--styles.LoadTagStyle("body", "font-size", "10px");
            // Parse   html to PDF understandable objects
            var objects = iTextSharp.text.html.simpleparser.HTMLWorker.ParseToList(new StreamReader(Server.MapPath("Order.aspx"), Encoding.Default), styles);
            for (int k = 0; k < objects.Count; k++)
            {
                doc.Add((IElement)objects[k]);
            }
            // Close   the document, rendering it to the browser
            doc.Close();

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itextsharp.dll
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Author Comment

by:SirReadAlot
ID: 34119206
okay I will try all solns
0
 
LVL 29

Expert Comment

by:Kumaraswamy R
ID: 34317310
This question has been classified as abandoned and is being closed as part of the Cleanup Program.  See my comment at the end of the question for more details.
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