/// <summary> /// 查看成绩列表:返回所有的成绩 /// </summary> /// <returns></returns> public List <Grade> ShowMessageList() { try { return(GradeAccess.SelectGrade()); } catch (Exception ex) { return(null); } }
/// <summary> /// 数据插入 /// </summary> /// <param name="emp"></param> /// <returns></returns> public Boolean AddGrade(Grade grade) { try { return(GradeAccess.InsertGrade(grade)); } catch (Exception ex) { return(false); } }
/// <summary> /// 查看列表 /// </summary> /// <returns></returns> public List <Grade> ShowGradeList(string gradeSno) { try { string sqlWhere = string.Format(" and gradeSno='{0}' ", gradeSno); List <Grade> list = GradeAccess.SelectSingleGrade(sqlWhere); if (list != null && list.Count > 0) { return(list); } return(null); } catch (Exception ex) { return(null); } }