public object MarkRating(RatingParam obj)
 {
     try
     {
         RatingBusiness objp = new RatingBusiness();
         var            Rate = objp.AddMark(obj);
         return(Rate);
     }
     catch (Exception e)
     {
         return(new Error()
         {
             IsError = true, Message = e.Message
         });
     }
 }