the non generic method microsoft.practices.Enterpricelibirary can not used with type arguments

public PagedList<RequirementList> GetRecruitmentRequestStatus()
      {
          PagedList<RequirementList> requirement = new PagedList<RequirementList>();
          requirement = this.DB.ExecuteReader<RequirementList>("IA.GetRecruitmentRequestStatus");
          return requirement;
      }