public void Add()
 {
     if (IsEdit == true)
     {
         toEdit.ShippedItem      = ShippedItem;
         toEdit.ItemQuantity     = ItemQuantity;
         toEdit.RecipientCompany = RecipientCompany;
         toEdit.CityTown         = CityTown;
         toEdit.PostalCode       = string.Format("{0}-{1}", PostalCode1, PostalCode2);
         toEdit.StreetAddress    = StreetAddress;
         toEdit.Weight           = Weight;
         toEdit.Description      = Description;
         ShipmentService.Edit(toEdit);
     }
     else
     {
         var newShipment = new ShipmentDTO();
         newShipment.ShippedItem      = ShippedItem;
         newShipment.ItemQuantity     = ItemQuantity;
         newShipment.RecipientCompany = RecipientCompany;
         newShipment.CityTown         = CityTown;
         newShipment.PostalCode       = string.Format("{0}-{1}", PostalCode1, PostalCode2);
         newShipment.StreetAddress    = StreetAddress;
         newShipment.Weight           = Weight;
         newShipment.Description      = Description;
         ShipmentService.Add(newShipment);
     }
     TryClose();
 }