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How to export any gridview to excel, doc, pdf, csv

Hello friend here you can find the example how to export any gridview to excel, doc, pdf, csv


<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CSharp.aspx.cs"   Inherits="CSharp" %>

<!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>GridView Export</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
<asp:GridView ID="GridView1" runat="server" 
        AutoGenerateColumns = "false" Font-Names = "Arial" 
        Font-Size = "11pt" AlternatingRowStyle-BackColor = "#C2D69B"  
        HeaderStyle-BackColor = "green" AllowPaging ="true"   
        OnPageIndexChanging = "OnPaging" >
        <Columns>
                <asp:BoundField DataField="id" HeaderText="id" InsertVisible="False" ReadOnly="True"
                    SortExpression="id" />
                <asp:BoundField DataField="title" HeaderText="title" />
                <asp:BoundField DataField="description" HeaderText="description" />
                <asp:BoundField DataField="status" HeaderText="status" />
            </Columns>
    </asp:GridView>
    </div>
        <br />
        <asp:Button ID="btnExportWord" runat="server" Text="ExportToWord" OnClick="btnExportWord_Click" />
        &nbsp;
        <asp:Button ID="btnExportExcel" runat="server" Text="ExportToExcel" OnClick="btnExportExcel_Click" />
        &nbsp;
        <asp:Button ID="btnExportPDF" runat="server" Text="ExportToPDF" OnClick="btnExportPDF_Click" />
         &nbsp;
        <asp:Button ID="Button1" runat="server" Text="ExportToCSV" OnClick="btnExportCSV_Click" />
    </form>
</body>
</html>


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-------------------------------------------------------------------------------------------------------------------------

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.html;
using iTextSharp.text.html.simpleparser;
using System.Text;

public partial class CSharp : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string strQuery = "SELECT * FROM [servicespage]";
        SqlCommand cmd = new SqlCommand(strQuery);
        DataTable dt = GetData(cmd);
        GridView1.DataSource = dt;
        GridView1.DataBind();
    }
    private DataTable GetData(SqlCommand cmd)
    {
        DataTable dt = new DataTable();
        String strConnString = System.Configuration.ConfigurationManager.ConnectionStrings["export_to_excelConnectionString"].ConnectionString;
        SqlConnection con = new SqlConnection(strConnString);
        SqlDataAdapter sda = new SqlDataAdapter();
        cmd.CommandType = CommandType.Text;
        cmd.Connection = con;
        try
        {
            con.Open();
            sda.SelectCommand = cmd;
            sda.Fill(dt);
            return dt;
        }
        catch (Exception ex)
        {
            throw ex;
        }
        finally
        {
            con.Close();
            sda.Dispose();
            con.Dispose();
        }
    }
   

    public override void VerifyRenderingInServerForm(Control control)
    {
        /* Verifies that the control is rendered */
    }
    protected void OnPaging(object sender, GridViewPageEventArgs  e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        GridView1.DataBind();  
    }

    protected void btnExportWord_Click(object sender, EventArgs e)
    {
        Response.Clear();
        Response.Buffer = true;
        Response.AddHeader("content-disposition", "attachment;filename=GridViewExport.doc");
        Response.Charset = "";
        Response.ContentType = "application/vnd.ms-word ";
        StringWriter sw= new StringWriter();
        HtmlTextWriter hw = new HtmlTextWriter(sw);
        GridView1.AllowPaging = false;
        GridView1.DataBind(); 
        GridView1.RenderControl(hw);
        Response.Output.Write(sw.ToString());
        Response.Flush();
        Response.End();
    }

    protected void btnExportExcel_Click(object sender, EventArgs e)
    {
        Response.Clear();
        Response.Buffer = true;
       
        Response.AddHeader("content-disposition", 
         "attachment;filename=GridViewExport.xls");
        Response.Charset = "";
        Response.ContentType = "application/vnd.ms-excel";
        StringWriter sw = new StringWriter();
        HtmlTextWriter hw = new HtmlTextWriter(sw);

        GridView1.AllowPaging = false;
        GridView1.DataBind(); 

        //Change the Header Row back to white color
        GridView1.HeaderRow.Style.Add("background-color", "#FFFFFF");

        //Apply style to Individual Cells
        GridView1.HeaderRow.Cells[0].Style.Add("background-color", "green");
        GridView1.HeaderRow.Cells[1].Style.Add("background-color", "green");
        GridView1.HeaderRow.Cells[2].Style.Add("background-color", "green");
        GridView1.HeaderRow.Cells[3].Style.Add("background-color", "green");   

        for (int i = 0; i < GridView1.Rows.Count;i++ )
        {
            GridViewRow row = GridView1.Rows[i];

            //Change Color back to white
            row.BackColor = System.Drawing.Color.White;

            //Apply text style to each Row
            row.Attributes.Add("class", "textmode");

            //Apply style to Individual Cells of Alternating Row
            if (i % 2 != 0)
            {
                row.Cells[0].Style.Add("background-color", "#C2D69B");
                row.Cells[1].Style.Add("background-color", "#C2D69B");
                row.Cells[2].Style.Add("background-color", "#C2D69B");
                row.Cells[3].Style.Add("background-color", "#C2D69B");   
            }
        }
        GridView1.RenderControl(hw);

        //style to format numbers to string
        string style = @"<style> .textmode { mso-number-format:\@; } </style>"; 
        Response.Write(style); 
        Response.Output.Write(sw.ToString());
        Response.Flush();
        Response.End();
    }

    protected void btnExportPDF_Click(object sender, EventArgs e)
    {
        Response.ContentType = "application/pdf";
        Response.AddHeader("content-disposition", "attachment;filename=GridViewExport.pdf");
        Response.Cache.SetCacheability(HttpCacheability.NoCache);
        StringWriter sw = new StringWriter();
        HtmlTextWriter hw = new HtmlTextWriter(sw);
        GridView1.AllowPaging = false;
        GridView1.DataBind(); 
        GridView1.RenderControl(hw);
        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();  
    }
    protected void btnExportCSV_Click(object sender, EventArgs e)
    {
        Response.Clear();
        Response.Buffer = true;
        Response.AddHeader("content-disposition", "attachment;filename=GridViewExport.csv");
        Response.Charset = "";
        Response.ContentType = "application/text";

        GridView1.AllowPaging = false;
        GridView1.DataBind(); 

        StringBuilder sb = new StringBuilder();
        for (int k = 0; k < GridView1.Columns.Count; k++)
        {
            //add separator
            sb.Append(GridView1.Columns[k].HeaderText + ',');
        }
        //append new line
        sb.Append("\r\n");
        for (int i = 0; i < GridView1.Rows.Count; i++)
        {
            for (int k = 0; k < GridView1.Columns.Count; k++)
            {
                //add separator
                sb.Append(GridView1.Rows[i].Cells[k].Text + ',');
            }
            //append new line
            sb.Append("\r\n");
        }
        Response.Output.Write(sb.ToString());
        Response.Flush();
        Response.End();
    }
}
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To check the online demo 
please check the following link : http://www.aspsnippets.com/Demos/16/

 To Download the source code: https://docs.google.com/file/d/0B45Hpp8-i2BcVjNZSVl5NGFSYlE/edit?usp=sharing

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