private void btnSubmit_Click(object sender, EventArgs e) { var sdDao = new StockDetailsDao(); int serviceId = (cmbServiceID.SelectedItem as Service).Id; string serviceName = (cmbServiceID.SelectedItem as Service).Name; int stockVal = Convert.ToInt32(numQty.Text) - ActualStock; //stockVal = -(stockVal); sdDao.UpdateStockDetail(stockVal, serviceId); int poId = 0; int.TryParse(txtId.Text, out poId); int cUser = (cmbReferenceBy.SelectedItem as Employee).Id; var poObj = new VIPPrasadam { Id = poId, ServiceId = (cmbServiceID.SelectedItem as Service).Id, VIPName = txtVIPName.Text, Phone = txtPhone.Text, ReferenceBy = cUser, Qty = Convert.ToInt32(numQty.Text), VisitedDate = Convert.ToDateTime(dtVisitedDate.Value), IssuedBy = App.LoggedInEmployee.Id }; var poDao = new VIPPrasadamDao(); int tokenId = poDao.SaveVIPPrasadam(poObj); var savedTokens = new List<VIPPrasadam>(); poObj = poDao.getTokenById(tokenId); savedTokens.Add(poObj); ShowVIPPrasadam(); PrintTokens2(savedTokens); }