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how to export data from gridview to pdf
in asp.net using c#
I will explain how to export data from
gridview to pdf in asp.net using c#.
I created a database with table name
EmployeeInfo as shown.
USE
[chinnu]
GO
/******
Object:  Table [dbo].[EmployeeInfo]    Script Date: 10/29/2013
00:13:02 ******/
SET
ANSI_NULLS
ON
GO
SET
QUOTED_IDENTIFIER
ON
GO
CREATE
TABLE
[dbo].[EmployeeInfo](
 [EmpId]
[nvarchar](50)
NOT
NULL,
 [EmpName]
[nvarchar](50)
NOT
NULL,
 [EmpAddress]
[nvarchar](50)
NOT
NULL,
 [EmpDesignation]
[nvarchar](50)
NOT
NULL
)
ON
[PRIMARY]
GO
In
Default.aspx I am adding GridView and ImageButton as Shown.
<%@
Page
Language="C#"
AutoEventWireup="true"
CodeBehind="Default.aspx.cs"
Inherits="file_conversion._Default"
%>
<!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:GridView
ID="gridview"
runat="server"
AutoGenerateColumns="False"
>
<Columns>
           
<asp:BoundField
DataField="EmpId"
HeaderText="EmployeeId"
InsertVisible="False"
               
/>
           
<asp:BoundField
DataField="EmpName"
HeaderText="EmployeeName"
InsertVisible="False"
                
/>
           
<asp:BoundField
DataField="EmpAddress"
HeaderText="EmployeeAddress"
/>
           
<asp:BoundField
DataField="EmpDesignation"
HeaderText="EmployeeDesignation"
/>
       
</Columns>
   
</asp:GridView>
     
<asp:ImageButton
ID="btnPDF"
runat="server"
ImageUrl="Scripts/download.jpg"
ToolTip
="Click
To Export PDF Format"
Width="32px"
Height="32px"
                 
  OnClick="btnPDF_Click"
/>
    </form>
</body>
</html>
Now
I am writing the logic in Default.aspx.cs  to export gridview data in
to pdf format as shown.
using
System;
using
System.Configuration;
using
System.Data;
using
System.IO;
using
System.Linq;
using
System.Web;
using
System.Web.Security;
using
System.Web.UI;
using
System.Web.UI.HtmlControls;
using
iTextSharp.text;
using
iTextSharp.text.pdf;
using
iTextSharp.text.html.simpleparser;
using
System.Data.SqlClient;
namespace
file_conversion
{
    public
partial
class
_Default
: System.Web.UI.Page
    {
        protected
void
Page_Load(object
sender, EventArgs
e)
        {
            if
(!IsPostBack)
            {
               
BindGridData();
            }
        }
        private
void
BindGridData()
        {
            try
            {
               
using
(SqlConnection
con = new
SqlConnection(ConfigurationManager.ConnectionStrings["Connstring"].ConnectionString))
                {
                 
  SqlCommand
command = new
SqlCommand("SELECT
* from EmployeeInfo",
con);
                 
  SqlDataAdapter
da = new
SqlDataAdapter(command);
                 
  DataTable
dt = new
DataTable();
                 
  da.Fill(dt);
                 
  gridview.DataSource
= dt;
                 
  gridview.DataBind();
                }
            }
            catch
(Exception
ex)
            {
            }
        }
        protected
void
btnPDF_Click(object
sender, ImageClickEventArgs
e)
        {
           
Response.ContentType
= "application/pdf";
           
Response.AddHeader("content-disposition",
"attachment;filename=File.pdf");
           
Response.Cache.SetCacheability(HttpCacheability.NoCache);
           
StringWriter
sw = new
StringWriter();
           
HtmlTextWriter
htw = new
HtmlTextWriter(sw);
           
HtmlForm
hfrm = new
HtmlForm();
           
gridview.Parent.Controls.Add(hfrm);
           
hfrm.Attributes["runat"]
= "server";
           
hfrm.Controls.Add(gridview);
           
hfrm.RenderControl(htw);
           
StringReader
sr = new
StringReader(sw.ToString());
           
Document
pdfDoc = new
Document(PageSize.A4,
10f, 10f, 10f, 0f);
           
HTMLWorker
htmlparser = new
HTMLWorker(pdfDoc);
           
PdfWriter.GetInstance(pdfDoc,
Response.OutputStream);
           
pdfDoc.Open();
           
htmlparser.Parse(sr);
           
pdfDoc.Close();
           
Response.Write(pdfDoc);
           
Response.End();
        }
       }
}
In
web.config I am adding the ConnectionString
<connectionStrings>
  <add
name="Connstring"
connectionString="Data
Source=DotNetSharePoint;Database=Chinnu;User
Id=sa;Password=password123;"
providerName="System.Data.SqlClient"
/>
 </connectionStrings>
Now
Press F5.
OutPut:

B6370FF76B
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