how can i code to print gridview data

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 MehtaGroup.CivilApp.Library;

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

{

protected void Page_Load(object sender, EventArgs e)

{

HtmlLink cssLink = new HtmlLink();

cssLink.Href = "CivilApp.css";

cssLink.Attributes.Add("rel", "stylesheet");

cssLink.Attributes.Add("type", "text/css");

Header.Controls.Add(cssLink);

grdJobHistory.RowDataBound += new GridViewRowEventHandler(grdJobHistory_RowDataBound);

Library lib = new Library();

DataTable dtjobHistory = lib.ViewSubmit("mehscl", "Rnv","02260");

if (dtjobHistory.Rows.Count > 0)

{

grdJobHistory.DataSource = dtjobHistory;

grdJobHistory.DataBind();

}

protected void grdJobHistory_RowDataBound(object sender, GridViewRowEventArgs e)

{

//if (e.Row.RowType == DataControlRowType.DataRow)

//{

// string sProbid = Convert.ToString(e.Row.Cells[0].Text);

// string sEmpCode = Convert.ToString(e.Row.Cells[1].Text);

// if (e.Row.Cells[9].Text == "")

// {

// HyperLink h1 = e.Row.FindControl("Hyperlink1") as HyperLink;

// string sUrl = "~/Submit.aspx";

// sUrl += "?Prob_id=" + sProbid.Trim();

// sUrl += "&empcode=" + sEmpCode.Trim(); ;

// h1.NavigateUrl = ResolveUrl(sUrl);

// }

//}

}

protected void grdJobHistory_PageIndexChanging(object sender, GridViewPageEventArgs e )

{

if (Convert.ToString(Request.QueryString["empcode"].ToString()) != "")

{

Library lib = new Library();

DataTable dtJobHistory = lib.ViewSubmit("Mehscl", "RNV", "02260");

if (dtJobHistory.Rows.Count > 0)

{

grdJobHistory.PageIndex = e.NewPageIndex;

grdJobHistory.DataSource = dtJobHistory;

grdJobHistory.DataBind();

}

else

{

lblNoRecordFound.CssClass = "Fail";

lblNoRecordFound.Text = "no data";

}

protected void btnLogout_Click(object sender, EventArgs e)

{

Response.Redirect("Login.aspx");

}

protected void btnOk_Click(object sender, EventArgs e)

{

Response.Redirect("Apply.aspx");

}

protected void lnkPrint_Click(object sender, EventArgs e)

{

string sEmpCode = Request.QueryString["empcode"].ToString();

Library lib = new Library();

DataTable dtJobHistory = null;

if (sEmpCode == "empcode")

{

dtJobHistory = lib.ViewSubmit("Mehscl", "RNV", "02260");

}