<asp:Button ID="lkbExport" runat="server" Name="Save" Text="导出到excel" class="button_h_b"
                Style="display: block" OnClick="lkbExport_Click" />

前台的导出按钮

public override void VerifyRenderingInServerForm(Control control)

{

// Confirms that an HtmlForm control is rendered for

}

#region export excel linkbutton

protected void lkbExport_Click(object sender, EventArgs e)

{

//说明：earDiv  是页面上的div ，业就是你想要导出的这个div里边包括的内容，也可以是其它控件，也就是你给它什么控件，它就会把你这个控件里的内容导出到Excel中

if (year_list.Text.ToString().Trim() != "")

{

stryear = year_list.Text.ToString().Trim();

}

iniListPanel(stryear);     //初始化页面的方法

//Catch缓存给权限

HttpContext.Current.Response.ClearHeaders();

HttpContext.Current.Response.AppendHeader("Expires ", System.DateTime.Now.AddMinutes(30).ToString());

HttpContext.Current.Response.AppendHeader("Pragma ", "public ");

HttpContext.Current.Response.AppendHeader("Cache-Control ", "must-revalidate,   post-check=0,   pre-check=0 ");

HttpContext.Current.Response.AppendHeader("Cache-Control ", "public ");

//HttpContext.Current.Response.Charset = "UTF-8";

//HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF7;

//HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=export"+DateTime.Now.Ticks.ToString()+".xls");

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

HttpContext.Current.Response.Charset = "GB2312";

Response.Write("<meta http-equiv=Content-Type content=text/html;charset=GB2312>");

Response.AppendHeader("Content-Disposition", "attachment;filename=export" + DateTime.Now.Ticks.ToString() + ".xls");

Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

Response.ContentType = "application/vnd.xls";//设置输出文件类型为excel文件。         y

earDiv.Page.EnableViewState = false;

System.IO.StringWriter tw = new System.IO.StringWriter();

HtmlTextWriter hw = new HtmlTextWriter(tw);

this.yearDiv.RenderControl(hw);

HttpContext.Current.Response.Write(tw.ToString());

HttpContext.Current.Response.End();

}     #endregion