/// <summary>
 /// ExecuteStartProcessCommand
 /// </summary>
 private void ExecuteStartProcessCommand(OrderItem item)
 {
     try
     {
         item.State = OrderItemState.Processing;
         _orderItemManager.SetOrderItemState(item);
     }
     catch (Exception ex)
     {
         this.messageBoxService.ShowError(this.GetType().FullName + System.Reflection.MethodBase.GetCurrentMethod().Name + ": " + ex.Message);
     }
 }