How to export images to excel using ASP.NET

<pre> Response.Clear();

            Response.AddHeader("content-disposition", "attachment;filename=SubstationAvailabilityReport.xls");

            Response.Charset = "";

            Response.Cache.SetCacheability(HttpCacheability.NoCache);

            Response.ContentType = "application/vnd.xls";

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

            System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);

            

            Place.RenderControl(htmlWrite);

            Response.Write(stringWrite.ToString());

            Response.End();