public MilkPurchasePageViewModel(INavigationService navigationService, IPageDialogService pageDialogService)
        {
            _navigationService = navigationService;
            _pageDialogService = pageDialogService;


            SharedValues._LstMembers = new List <Member>();
            SharedValues._LstMembers.Add(new Member
            {
                CardNumber  = 1,
                Name        = "Ajit",
                PhoneNumber = "123456789"
            });
            SharedValues._LstMembers.Add(new Member
            {
                CardNumber  = 2,
                Name        = "Santosh",
                PhoneNumber = "123456789"
            });
            SharedValues._LstMembers.Add(new Member
            {
                CardNumber  = 3,
                Name        = "Subbu",
                PhoneNumber = "123456789"
            });
            SharedValues._LstMembers.Add(new Member
            {
                CardNumber  = 4,
                Name        = "Ravi",
                PhoneNumber = "123456789"
            });
            SharedValues._LstMilkPurchase = new List <MilkPurchaseModel>();

            ToDaysDate = DateTime.Now;

            if (ToDaysDate.ToString("tt") == "AM")
            {
                Session       = "Morning \u25BC";
                _sessionModel = SessionModel.Morning;
            }
            else
            {
                Session       = "Evening \u25BC";
                _sessionModel = SessionModel.Evening;
            }

            MilkType = "Cow Milk \u25BC";
        }
        public LocalSalePageViewModel(INavigationService navigationService, IPageDialogService pageDialogService)
        {
            _navigationService = navigationService;
            _pageDialogService = pageDialogService;

            ToDaysDate = DateTime.Now;

            if (ToDaysDate.ToString("tt") == "AM")
            {
                Session = "Morning \u25BC";
            }
            else
            {
                Session = "Evening \u25BC";
            }
        }