private void ExecueDeleteExpenseDetail() { MessageBoxResult result = MessageBox.Show("Are you sure to delete " + CurrentExpenseDetail.Name, "Delete", MessageBoxButton.YesNo, MessageBoxImage.Warning); if (result == MessageBoxResult.Yes) { if (CurrentExpenseDetail != null) { using (var unitOfWork = new UnitOfWork(new MahalluDBContext())) { ExpenseDetails expenseDetail = unitOfWork.ExpenseDetails.Get(CurrentExpenseDetail.Id); if (expenseDetail != null) { unitOfWork.ExpenseDetails.Remove(expenseDetail); unitOfWork.Complete(); decimal amount = CurrentExpenseDetail.Amount; ExpenseDetailList.Remove(CurrentExpenseDetail); CurrentExpenseDetail = null; //To update total amount CurrentExpense.ToatalAmount = Convert.ToDecimal(TotalAmount) - amount; TotalAmount = (Convert.ToDecimal(TotalAmount) - amount).ToString(); //TotalExpense = -amount; unitOfWork.Expenses.Update(CurrentExpense); unitOfWork.Complete(); ExpenseType totatExpenseType = new ExpenseType() { Expense = CurrentExpense }; eventAggregator.GetEvent <PubSubEvent <ExpenseType> >().Publish(totatExpenseType); } } } } }