c# Excel response with httphandler

public class IExcelHandler : IHttpHandler

    {

        #region IHttpHandler Members

        public bool IsReusable

        {

            get { return false; }

        }

        public void ProcessRequest(HttpContext context)

        {

            // set Content type for Excel

            context.Response.ContentType = "application/vnd.ms-excel";

            // for download and give a file name

            context.Response.AppendHeader("content-disposition", "attachment; filename=MyExcelFile.xls");

            context.Response.Charset = "";

            //Write here your content

            // context.Response.Write(data);

            context.Response.End();

        }

        #endregion

    }

...