In this article I’m going to explain how to export GridView data to excel using ASP.NET and C#.

 I got a requirement that I have to export Grid View records to Excel sheet. While exporting GridView records to Excel sheet I’ve to concentrate Excel sheet formatting, which includes GridView header row background color and alternate row color.

If you want to export GridView records to PDF document you could refer this article. 

Export GridView data to PDF document using iTextSharp

Table Design:

Column Name

Data Type

empid

varchar(50)

name

varchar(100)

designation

varchar(100)

city

varchar(50)

country

varchar(50)

Create table script:

CREATE TABLE [dbo].[EmployeeDetails](

        [empid] [varchar](50) NULL,

        [name] [varchar](100) NULL,

        [designation] [varchar](100) NULL,

        [city] [varchar](50) NULL,

        [country] [varchar](50) NULL

) ON [PRIMARY]

Designer Source Code:

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <title>Export Grid View to Excel</title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

        <asp:ImageButton ID="imgbtnExcel" runat="server"   ImageUrl="~/Images/excel_icon.png"

            OnClick="imgbtnExcel_Click" />

        <asp:GridView ID="gvDetails" runat="server" AutoGenerateColumns="false" ShowFooter="true"

            Width="100%">

            <AlternatingRowStyle BackColor="#AED6FF" />

            <Columns>

                <asp:BoundField DataField="empid" HeaderText="Employee-ID" />

                <asp:BoundField DataField="name" HeaderText="Name" />

                <asp:BoundField DataField="designation" HeaderText="Designation" />

                <asp:BoundField DataField="city" HeaderText="City" />

                <asp:BoundField DataField="country" HeaderText="Country" />

            </Columns>

            <HeaderStyle BackColor="#0063A6" ForeColor="White" />

        </asp:GridView>

    </div>

    </form>

</body>

</html>

          Here we have to use following method to avoid exception something like

Control 'gvDetails' of type 'GridView' must be placed inside a form tag with runat=server.

  public override void VerifyRenderingInServerForm(Control control)

    {

        /* Verifies that the control is rendered */

    } 

 Note:

You have to use following namespace

using System.IO;


C# Code : 

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Data.SqlClient;

using System.IO;

public partial class _Default : System.Web.UI.Page

{

    //get connection string from web.config

    SqlConnection conn = new SqlConnection("Data Source=SPIDER;Initial Catalog=Demo; Integrated Security=True");

     protected void Page_Load(object sender, EventArgs e)

    {

        if (!IsPostBack)

        {

            BindGrid();

        }

    } 

    public override void VerifyRenderingInServerForm(Control control)

    {

        /* Verifies that the control is rendered */

    } 

    protected void BindGrid()

    {

        DataSet ds = new DataSet();    

        conn.Open();

        string cmdstr = "Select * from EmployeeDetails";

        SqlCommand cmd = new SqlCommand(cmdstr, conn);

        SqlDataAdapter adp = new SqlDataAdapter(cmd);

        adp.Fill(ds);

        gvDetails.DataSource = ds;

        gvDetails.DataBind();

        conn.Close();

    } 

    protected void imgbtnExcel_Click(object sender, ImageClickEventArgs e)

    {

        Response.ClearContent();

        Response.Buffer = true;

        Response.AddHeader("content-disposition", string.Format("attachment; filename={0}", "Employees.xls"));

        Response.ContentType = "application/ms-excel";

        StringWriter sw = new StringWriter();

        HtmlTextWriter htw = new HtmlTextWriter(sw);

        gvDetails.AllowPaging = false;

        //Change the Header Row back to white color

        gvDetails.HeaderRow.Style.Add("background-color", "#FFFFFF");

        //Applying stlye to gridview header cells

        for (int i = 0; i < gvDetails.HeaderRow.Cells.Count; i++)

        {

            gvDetails.HeaderRow.Cells[i].Style.Add("background-color", "#507CD1");

        }

        int j = 1;

        //Set alternate row color

        foreach (GridViewRow gvrow in gvDetails.Rows)

        {

            gvrow.BackColor = System.Drawing.Color.White;

            if (j <= gvDetails.Rows.Count)

            {

                if (j % 2 != 0)

                {

                    for (int k = 0; k < gvrow.Cells.Count; k++)

                    {

                        gvrow.Cells[k].Style.Add("background-color", "#EFF3FB");

                    }

                }

            }

            j++;

        }

        gvDetails.RenderControl(htw);

        Response.Write(sw.ToString());

        Response.End();

    } 

}

Export GridView to word document:

  If you want to export GridView records to word document you have to do very simple  changes in above code 

1.First change file extension to .doc instead of .xls 

2.Change content type "application/ms-word" instead of "application/ms-excel"

 

Sample code: 

Response.AddHeader("content-disposition", string.Format("attachment; filename={0}", "Employees.doc")); 

Response.ContentType = "application/ms-word";

 

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View demo Download
http://www.dotnetfox.com/Document/1021/0Demo1.gif

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