private void writeDataInList()
 {
     using (var db = new PSDBContext())
     {
         RatesCollection.Clear();
         db.Rates.Where(login => login.User.Login == userViewModel.UserLogin).ToList().ForEach(a =>
         {
             RatesCollection.Add(new Rate
             {
                 Title        = a.Title,
                 MeasureTitle = a.MeasureTitle,
                 Price        = a.Price.ToString()
             });
         });
     }
 }
        public void writeDataWithDateTimeInTable()
        {
            using (var db = new PSDBContext())
            {
                AddressesCollection.Clear();
                db.Addresses.Where(login => login.User.Login == userViewModel.UserLogin).ToList().ForEach(ad =>
                                                                                                          AddressesCollection.Add(new Address
                {
                    Title = ad.Title
                })
                                                                                                          );

                ServicesCollection.Clear();
                db.Services.Where(login => login.User.Login == userViewModel.UserLogin).ToList().ForEach(ad =>
                                                                                                         ServicesCollection.Add(new Service
                {
                    Title = ad.Title
                })
                                                                                                         );

                RatesCollection.Clear();
                db.Rates.Where(login => login.User.Login == userViewModel.UserLogin).ToList().ForEach(ad =>
                                                                                                      RatesCollection.Add(new Rate
                {
                    Title        = ad.Title,
                    MeasureTitle = ad.MeasureTitle,
                    Price        = ad.Price.ToString()
                })
                                                                                                      );
                VICollection.Clear();
                db.VolumeIndications.Where(login => login.User.Login == userViewModel.UserLogin && login.DatePaid == SelectedDate).ToList().ForEach(vi =>
                                                                                                                                                    VICollection.Add(new VolumeIndication
                {
                    SelectedAddress = AddressesCollection.FirstOrDefault(adcol => adcol.Title == vi.Address.Title),
                    SelectedService = ServicesCollection.FirstOrDefault(adcol => adcol.Title == vi.Service.Title),
                    SelectedRate    = RatesCollection.FirstOrDefault(adcol => adcol.Title == vi.Rate.Title),
                    PrevIndication  = vi.PrevIndication.ToString(),
                    CurIndication   = vi.CurIndication.ToString(),
                    Total           = vi.Total.ToString(),
                    SelectedDate    = vi.DatePaid,
                    Id = vi.Id
                }
                                                                                                                                                                     ));
            }
        }