private void DeleteApplicatorTank(object applicatorTankInstance) { ApplicatorTankViewModel applicatorTankViewModel = applicatorTankInstance as ApplicatorTankViewModel; if (applicatorTankViewModel.ApplicatorTank.ApplicatorTankId != 0) { using (AppDbContext db = App.GetContext()) { db.ApplicatorTanks.Remove(applicatorTankViewModel.ApplicatorTank); db.SaveChanges(); } } Back(); }