D-Net

                 [(searchUtils)] = "searchUtils"

                 [(fieldIds)]="fieldIds" [(fieldIdsMap)]="fieldIdsMap"   [(selectedFields)]="selectedFields"

                 (queryChange)="queryChanged($event)"

    </advanced-search-page>

    `

 })

   public selectedFields:AdvancedField[] =  [];

   public resourcesQuery = "((oaftype exact result) and (resulttypeid exact publication))";

   public csvParams: string;

  @ViewChild (AdvancedSearchPageComponent) searchPage : AdvancedSearchPageComponent ;

    var errorCodes:ErrorCodes = new ErrorCodes();

    this.searchUtils.status = errorCodes.LOADING;

    console.info("Advanced Search Publications: Execute search query "+parameters);

     this._searchPublicationsService.advancedSearchPublications(parameters, page, size).subscribe(

            if(this.searchUtils.totalResults == 0 ){

              this.searchUtils.status = errorCodes.NONE;

            }

        },

        err => {

            // }

            var errorCodes:ErrorCodes = new ErrorCodes();

            this.searchUtils.status = errorCodes.NOT_AVAILABLE;

        }

    );