public async Task <ActionResult> UpdateCatAttr(OutModels.Models.CatAttrRelation attribute)
 {
     try
     {
         CatAttrRelationModel am = (CatAttrRelationModel)_mapper.Map <OutModels.Models.CatAttrRelation, CatAttrRelationModel>(attribute);
         return(new JsonResult(await this._repository.Update(am)));
     }
     catch (Exception ex)
     {
         return(null);
     }
 }
 public async Task <ActionResult> AddRelation(OutModels.Models.CatAttrRelation relation)
 {
     try
     {
         CatAttrRelationModel am = (CatAttrRelationModel)_mapper.Map <OutModels.Models.CatAttrRelation, CatAttrRelationModel>(relation);
         return(new JsonResult(await this._repository.Insert(am)));
     }
     catch (Exception ex)
     {
         return(null);
     }
 }