private void btnSave_Click(object sender, EventArgs e) { if (_workWithForm.IsEditMode()) { _shipPart.Car = CarList.getInstance().getItem(Convert.ToInt32(cbCar.SelectedValue)); _shipPart.Driver = DriverList.getInstance().getItem(Convert.ToInt32(cbDriver.SelectedValue)); _shipPart.Number = tbNumber.Text; _shipPart.DateRequest = mtbDateRequest.Text; _shipPart.DateSent = mtbDateSent.Text; TextBox tbFile = ucFile.Controls["tbFile"] as TextBox; _shipPart.File = tbFile.Text; _shipPart.Save(); } else { _workWithForm.SetEditMode(true); } }