/// <summary>
        /// This method add a new refresh in database if something fall, return 0
        /// </summary>
        /// <param name="r"></param>
        /// <returns> 0 if refresh is not added succesfully or return 1 if refresh is added succesfully</returns>
        public async Task <int> agregarBebida(Refresco r)
        {
            int agregado = 0;

            try
            {
                limpiarListas();
                listaParam.Add("name");
                listaParam.Add("price");
                listaParam.Add("image");

                listaValues.Add(r.getNombre());
                listaValues.Add(r.getPrecio().ToString());
                listaValues.Add(r.getImagen());


                String json = await hreq.sendRequestPOST("/ServicioMyPizza/servicios/WSProducto/addbebida", listaParam, listaValues);

                agregado = JsonConvert.DeserializeObject <int>(json);
            }
            catch (System.Net.WebException swe)
            {
                agregado = 0;
            }
            return(agregado);
        }
        /// <summary>
        /// This method add a drink in the listview pedido
        /// </summary>
        /// <param name="bebida">drink</param>
        public void addBebida(Refresco bebida)
        {
            ImageList imagelist2 = new ImageList();

            imagelist2.Images.Add(Image.FromFile("..\\..\\Resources\\can.png"));

            treeViewPedido.Nodes.Add(bebida.getNombre());

            double num = cPed.sumarTotal(bebida.getPrecio());

            actualizarTxtTotal(num);

            treeViewPedido.ImageList = imagelist2;
        }