protected void Page_Load(object sender, EventArgs e)
    {
        Response.Cache.SetCacheability(HttpCacheability.ServerAndNoCache);
        Response.Cache.SetAllowResponseInBrowserHistory(false);
        Response.Cache.SetNoStore();

        LUser dato = new LUser();

        GV_Empleados.DataSource = dato.ListaEmpleado();
        GV_Empleados.DataBind();
        //}
    }