Gridview header mousehover

In this blog we will know onmouseover on gridview header back color of header will change.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Gridview_header_mousehover._Default" %>


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">


<html xmlns="" >

<head runat="server">

    <title>Untitled Page</title>

    <style type="text/css">













    <form id="form1" runat="server">


    <asp:GridView ID="GridView1" runat="server"  BackColor="Yellow"

            GridLines="Vertical" AutoGenerateColumns="false"

            onrowcreated="GridView1_RowCreated" >


                <asp:BoundField HeaderText="EmpName" DataField="EmpName" />

                <asp:BoundField HeaderText="Address" DataField="Address" />

                <asp:BoundField HeaderText="Phone" DataField="Phone" />










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 System.Data.SqlClient;

namespace Gridview_header_mousehover


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


        string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

        SqlCommand com;

        SqlDataAdapter sqlda;

        DataSet ds;

        string str;


        protected void Page_Load(object sender, EventArgs e)


            if (!IsPostBack)





        private void bindgrid()


            SqlConnection con = new SqlConnection(connStr);


            str = "select * from employee";

            com = new SqlCommand(str, con);

            sqlda = new SqlDataAdapter(com);

            ds = new DataSet();

            sqlda.Fill(ds, "employee");

            GridView1.DataMember = "employee";

            GridView1.DataSource = ds;





        protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)


            if (e.Row.RowType == DataControlRowType.Header)


                e.Row.Attributes.Add("onmouseover", "className='highlighted1'");

                e.Row.Attributes.Add("onmouseout", "className='highlighted2'");








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