DataGrid数据导入Excel

 #region 导出excel
    protected void lkOutExcel_Click(object sender, EventArgs e)
    {
        Export("application/ms-excel", "流动人口查询报表.xls");
    }
    private void Export(string FileType, string FileName)
    {
        Response.Charset = "GB2312";
       Response.ContentEncoding=System.Text.Encoding.GetEncoding("GB2312");

        Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName, Encoding.UTF8).ToString());
        Response.ContentType = FileType;
        this.EnableViewState = false;
        StringWriter tw = new StringWriter();
        HtmlTextWriter hw = new HtmlTextWriter(tw);
        GridView1.RenderControl(hw);
        Response.Write(tw.ToString());
        Response.End();
    }
    public override void VerifyRenderingInServerForm(Control control)
    {

    }
     #endregion