flex 分页2

   private function pageChange(event:ChangePageEvent):void{
    if(event._currentPage==0){
     event._currentPage=1;
    }
    var startRow:int=(event._currentPage-1)*(event._pagesum)+1;
    var endRow:int=(event._currentPage)*(event._pagesum);
    
    var paramObj:Object=new Object();
    paramObj.startRow=startRow;
    paramObj.endRow=endRow;
   
     ro.getMPBaseListBySQL(paramObj);
         }