How to output web page as MS word document

public partial class Test : Page

{

    protected override void Render(HtmlTextWriter writer)

    {

        Response.Clear();

        Response.Buffer = true;

        Response.ContentType = "application/msword";

        StringBuilder sb = new StringBuilder();

        StringWriter stringWriter = new StringWriter(sb);

        HtmlTextWriter htmlTextWriter = new HtmlTextWriter(stringWriter);

        base.Render(htmlTextWriter);

        Response.Write(sb.ToString());

        Response.End();            

    }

}