public override RecyclerView.ViewHolder OnCreateViewHolder(ViewGroup parent, int viewType)
        {
            View itemView = LayoutInflater.From(parent.Context).Inflate(Resource.Layout.Item_Appointment_RecentAppointment_Customer, parent, false);
            Customer_Appointment_RecentAppointment_ViewModel_ViewHolder vh = new Customer_Appointment_RecentAppointment_ViewModel_ViewHolder(itemView, OnClick);

            return(vh);
        }
        public override void OnBindViewHolder(RecyclerView.ViewHolder holder, int position)
        {
            Customer_Appointment_RecentAppointment_ViewModel_ViewHolder vh = holder as Customer_Appointment_RecentAppointment_ViewModel_ViewHolder;

            Picasso.Get().Load(appointment_list[position].AnhChiNhanh).Into(vh.ServiceImg);
            vh.TotalService.Text = "Gồm " + appointment_list[position].TongDv.ToString() + " dịch vụ";
            vh.OutletName.Text   = appointment_list[position].TenChiNhanh;
            string ngayhen = appointment_list[position].NgayHen.ToString("dd/MM/yyyy");
            string giohen  = appointment_list[position].GioHen.ToString();

            string[] a      = giohen.Split(' ');
            string[] b      = ngayhen.Split(' ');
            string   henden = a[1] + " " + b[0];

            vh.Time.Text = henden;

            ((Customer_Appointment_RecentAppointment_ViewModel_ViewHolder)holder).ItemView.LongClick += delegate
            {
                appointment_list.Remove(appointment_list[position]);
                NotifyItemRemoved(position);
            };
        }