public static bool backupdata(string tipo) //datos o config
        {
            try
            {
                string[] AppArray = Application.ExecutablePath.Split('\\');
                string   ExeFile  = AppArray[AppArray.Count() - 1];

                DirectoryInfo backupdata = new DirectoryInfo(Environment.CurrentDirectory + @"\backupdata\");

                string[] DateArray = DateTime.Now.ToShortDateString().Split('/');

                string DateTimeHora = DateTime.Now.Hour.ToString();
                string DateTimeMin  = DateTime.Now.Minute.ToString();
                string DateTimeSeg  = DateTime.Now.Second.ToString();

                string DateTimeNow = DateArray[2] + "-" + DateArray[1] + "-" + DateArray[0] + "-" + DateTimeHora + "-" + DateTimeMin + "-" + DateTimeSeg;
                if (!backupdata.Exists)
                {
                    backupdata.Create(); // creo el directorio ARTICULOS
                }

                if (tipo == "datos")
                {
                    //busco archivo y lo salvo sgdb.sdf
                    File.Copy(Environment.CurrentDirectory + @"\sgdb.sdf", Environment.CurrentDirectory + @"\backupdata\" + DateTimeNow + @".sdf");
                    return(true);
                }
                else
                {
                    if (tipo == "config")
                    {
                        //busco archivo y lo salvo App.config
                        File.Copy(Environment.CurrentDirectory + @"\" + ExeFile + @".config", Environment.CurrentDirectory + @"\backupdata\" + DateTimeNow + @".config");
                        return(true);
                    }
                    else
                    {
                        return(false);
                    }
                }
            }
            catch (Exception ex)
            {
                enviamail em = new enviamail(); // Porque el metodo es publico
                em.sendmail(ex, "Error: F-MDI-003");
                return(false);
            }
        }