export ASP.NET page to *.PDF

Hello, I want to export a piece of sites <div id="tblToExport"> with id "tblToExport." But the code it exports with HTML tags. It is a due "XhtmlTextWriter" how to make the exported text was just the text without the HTML tags, thank you.
 
 1 using System;
2 using System.Data;
3 using System.Configuration;
4 using System.Web;
5 using System.Web.Security;
6 using System.Web.UI;
7 using System.Web.UI.WebControls;
8 using System.Web.UI.WebControls.WebP ...