private void fnCreateDocument(string sNewNomeFile)
    {
        string BaseFile = Server.MapPath("Allegati/" + sNewNomeFile);
        StreamReader sr = new StreamReader(BaseFile);
        string line = "";
            try
            {
                line = sr.ReadToEnd();

            }
            finally
            {
                sr.Close();
            }
       line = line.Replace("@@quicivailcampo1", "Nuovo Testo");
       outputDoc(line); //faccio l'output a video

    }
    protected void outputDoc(string line)
    {
        Response.Clear();
        Response.Buffer = true;
        Response.ContentType = "application/vnd.ms-word ";
        Response.AddHeader("content-disposition", "attachment; filename=" + sNomeFile);
        Response.Charset = "";
        this.EnableViewState = false;

        System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
        System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);

        oHtmlTextWriter.Write(line);// .InnerWriter = line.ToCharArray();
        
        Response.Write(oStringWriter.ToString());
        //Response.Flush();
        ClientScript.RegisterClientScriptBlock(this.GetType(), "close", "window.close();", true);
        Response.End();
    }