public object Delete(Guid ID)
 {
     using (VariableService variableService = new VariableService())
     {
         ResultOperation resultOperation = variableService.Delete(ID);
         if (resultOperation.IsSuccess)
         {
             return(new PostMethodMessage(SharedLang.Get("Success.Text"), DisplayMessageType.success));
         }
         else
         {
             return(new PostMethodMessage(resultOperation.GetErrors(), DisplayMessageType.error));
         }
     }
 }