public CAT_ActivityBLL(int id)
     : base(DALClassName)
 {
     _dal = (CAT_ActivityDAL)_DAL;
     FillModel(id);//根据ID值提供Model对象
 }
 public CAT_ActivityBLL(int id, bool bycache)
     : base(DALClassName)
 {
     _dal = (CAT_ActivityDAL)_DAL;
     FillModel(id, bycache);
 }
 ///<summary>
 ///CAT_ActivityBLL
 ///</summary>
 public CAT_ActivityBLL()
     : base(DALClassName)
 {
     _dal = (CAT_ActivityDAL)_DAL;
     _m   = new CAT_Activity();
 }