public void btnSubmit_Click(object sender, EventArgs e) { TourService service = new TourService(Ioc.GetInstance <ITourRepository>()); bool success = false; DateTime?startDate, endDate; if (Validated(out startDate, out endDate)) { Tour tour = new Tour() { TourId = Guid.NewGuid(), TourName = txtTourName.Text.Trim(), StartDate = startDate, EndDate = endDate, Official = chkOfficial.Checked }; service.SaveCommit(tour, out success); } if (success) { phSuccess.Visible = true; phError.Visible = false; } else { phError.Visible = true; phSuccess.Visible = false; } }