private void can_Submit_MouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e) { connect = new CTUConnection(); try { if (Department == 1) { connect.GetInvoiceNewCar(int.Parse(cmbx_SalesMan.SelectedValue.ToString()), ServicePlan, Convert.ToDateTime(DTP_Date.SelectedDate.ToString()), int.Parse(cmbx_Cust.SelectedValue.ToString()), int.Parse(cmbx_Car.SelectedValue.ToString())); } else if (Department == 2) { connect.GetInvoiceOldCar(int.Parse(cmbx_Car.SelectedValue.ToString()), ServicePlan, Convert.ToDateTime(DTP_Date.SelectedDate.ToString()), int.Parse(cmbx_Cust.SelectedValue.ToString()), int.Parse(cmbx_Car.SelectedValue.ToString())); } else if (Department == 3) { connect.GetInvoiceServiceCar(int.Parse(cmbx_Mech.SelectedValue.ToString()), txt_Price.Text, Convert.ToDateTime(DTP_Date.SelectedDate.ToString()), int.Parse(cmbx_Cust.SelectedValue.ToString()), txt_Prob.Text); } else if (Department == 4) { connect.GetInvoiceParts(Convert.ToDateTime(DTP_Date.SelectedDate.ToString()), int.Parse(cmbx_Cust.SelectedValue.ToString()), int.Parse(cmbx_Parts.SelectedValue.ToString())); } } catch (Exception) { } }