epplus输出成thml

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using OfficeOpenXml;
using System.IO;
using EPPlus.Html;
namespace testepplus
{
    public partial class Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string zpath = Server.MapPath("/") + "test1.xlsx";
            FileInfo zfile = new FileInfo(zpath);

            using (ExcelPackage excel = new ExcelPackage(zfile,"123"))
            {
                //excel.SaveAs(new FileInfo(Server.MapPath("/") + "test1.xlsx"), "123");
                Response.Write(EPPlus.Html.EPPlusExtensions.ToHtml(excel.Workbook.Worksheets[3]));

            }

        }
    }
}