private void update_Click(object sender, RoutedEventArgs e) { HostingUnit hu2 = new HostingUnit(); hu2 = hu1; bool flag = true; bool email_flag = true; try { email_flag = myBL.IsValidEmail(Email.Text); } catch// (Exception a) { Email.Clear(); Email.Text = "Enter Your Email Address"; Email.BorderBrush = Brushes.Red; flag = false; email_flag = false; } if (!myBL.AllowedToChangeCommission(hu2)) { if (!(bool)CollectionClearance.IsChecked && hu2.Owner.CollectionClearance) { flag = false; MessageBox.Show("cannot change collection clearance when property has booked orders"); } } if (flag) { hu2.Owner.PhoneNumber = Convert.ToInt32(Phonenum.Text); hu2.Owner.MailAddress = Email.Text; hu2.Owner.BankAccountNumber = Convert.ToInt32(BankAcctNum.Text); hu2.Owner.CollectionClearance = (bool)CollectionClearance.IsChecked; hu2.Owner.BankBranchDetails = (BankBranch)cbBank.SelectedItem; hu2.HostingUnitName = HUname.Text; hu2.Beds = Convert.ToInt32(Beds.Text); hu2.Pet = (bool)Pets.IsChecked; hu2.WiFi = (bool)Wifi.IsChecked; hu2.Parking = (bool)Parking.IsChecked; hu2.Pool = (bool)Pool.IsChecked; hu2.Jacuzzi = (bool)Jacuzzi.IsChecked; hu2.Garden = (bool)Garden.IsChecked; hu2.ChildrensAttractions = (bool)chiAttract.IsChecked; hu2.FitnessCenter = (bool)FitnessCenter.IsChecked; try { // explicit update of each property of the hosting unit BindingExpression be = HUname.GetBindingExpression(TextBox.TextProperty); be.UpdateSource(); be = Phonenum.GetBindingExpression(TextBox.TextProperty); be.UpdateSource(); be = BankAcctNum.GetBindingExpression(TextBox.TextProperty); be.UpdateSource(); be = Email.GetBindingExpression(TextBox.TextProperty); be.UpdateSource(); be = Beds.GetBindingExpression(TextBox.TextProperty); be.UpdateSource(); be = cbBank.GetBindingExpression(ComboBox.TextProperty); if (be != null) { be.UpdateSource(); } be = Pool.GetBindingExpression(CheckBox.IsCheckedProperty); be.UpdateSource(); be = Jacuzzi.GetBindingExpression(CheckBox.IsCheckedProperty); be.UpdateSource(); be = Pets.GetBindingExpression(CheckBox.IsCheckedProperty); be.UpdateSource(); be = Garden.GetBindingExpression(CheckBox.IsCheckedProperty); be.UpdateSource(); be = Parking.GetBindingExpression(CheckBox.IsCheckedProperty); be.UpdateSource(); be = Wifi.GetBindingExpression(CheckBox.IsCheckedProperty); be.UpdateSource(); be = chiAttract.GetBindingExpression(CheckBox.IsCheckedProperty); be.UpdateSource(); be = FitnessCenter.GetBindingExpression(CheckBox.IsCheckedProperty); be.UpdateSource(); be = CollectionClearance.GetBindingExpression(CheckBox.IsCheckedProperty); be.UpdateSource(); myBL.UpdateHostingUnit(hu2); updated = true; Close(); } catch (Exception a) { MessageBox.Show(a.Message, "ERROR", MessageBoxButton.OK, MessageBoxImage.Error); } } }