基于ASP.NET三层架构的学生成绩查询系统

学生成绩查询系统，后台实现了管理员对学生教师等的增删改查功能，前台实现教师对学生成绩的增删改查功能。学生选课功能，成绩查询功能。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using StudentGradeSystemModle;
using StudentGradeSystemDAL;

namespace StudentGradeSystemBll
{
   public class AchievementManager
    {
       public static Achievement GetAchievementById（string Id）
        {
            return AchievementService.GetAchievementById（Id）;
        }
        //添加
       public static Achievement AddAchievement（Achievement achievement）
        {
            return AchievementService.AddAchievement（achievement）;
        }
       public static void AddGrade（Achievement achievement）
       {
           AchievementService.AddGrade（achievement）;
       }
        //删除
       public static void DeleteAchievement（Achievement achievement）
        {
            AchievementService.DeleteAchievement（achievement）;
        }
        //修改
       public static void ModifyAchievement（Achievement achievement）
        {
            AchievementService.ModifyAchievement（achievement）;
        }
        //查询所有
       public static IList GetAllAchievement（）
        {
            return AchievementService.GetAllAchievement（）;
        }
       public static IList GetHotAchievement（）
       {
           return AchievementService.GetHotAchievement（）;
       }
       public static IList GetHotAchievementById（string id）
       {
           return AchievementService.GetHotAchievementById（id）;
       }
       public static IList GetHotAchievementByCourseAndCollege（string coursestring college）
       {
           return AchievementService.GetHotAchievementByCourseAndCollege（coursecollege）;
       }
       public static IList GetHotAchievementByCourse（string coursestring sid）
       {
           return AchievementService.GetHotAchievementByCourse（coursesid）;
       }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件        3545  2017-12-18 10:57  StudentGradeSystem\StudentGradeSystem.sln
     文件      152576  2017-12-23 16:32  StudentGradeSystem\StudentGradeSystem.suo
     目录           0  2017-12-20 01:47  StudentGradeSystem\StudentGradeSystemBll\
     文件        1934  2017-12-18 14:13  StudentGradeSystem\StudentGradeSystemBll\AchievementManager.cs
     文件        1062  2017-12-01 21:53  StudentGradeSystem\StudentGradeSystemBll\AdminManager.cs
     目录           0  2017-12-20 01:47  StudentGradeSystem\StudentGradeSystemBll\bin\
     目录           0  2017-12-20 01:47  StudentGradeSystem\StudentGradeSystemBll\bin\Debug\
     文件        9728  2017-12-18 15:33  StudentGradeSystem\StudentGradeSystemBll\bin\Debug\StudentGradeSystemBll.dll
     文件       46592  2017-12-18 15:33  StudentGradeSystem\StudentGradeSystemBll\bin\Debug\StudentGradeSystemBll.pdb
     文件       35328  2017-12-18 15:33  StudentGradeSystem\StudentGradeSystemBll\bin\Debug\StudentGradeSystemDAL.dll
     文件       87552  2017-12-18 15:33  StudentGradeSystem\StudentGradeSystemBll\bin\Debug\StudentGradeSystemDAL.pdb
     文件        9216  2017-12-18 11:02  StudentGradeSystem\StudentGradeSystemBll\bin\Debug\StudentGradeSystemModle.dll
     文件       56832  2017-12-18 11:02  StudentGradeSystem\StudentGradeSystemBll\bin\Debug\StudentGradeSystemModle.pdb
     目录           0  2017-11-28 21:56  StudentGradeSystem\StudentGradeSystemBll\bin\Release\
     文件        1104  2017-12-09 16:19  StudentGradeSystem\StudentGradeSystemBll\CollegeManager.cs
     文件        1371  2017-12-11 22:37  StudentGradeSystem\StudentGradeSystemBll\CourseManager.cs
     目录           0  2017-12-20 01:47  StudentGradeSystem\StudentGradeSystemBll\obj\
     目录           0  2017-12-23 16:31  StudentGradeSystem\StudentGradeSystemBll\obj\Debug\
     文件        6077  2017-12-23 16:31  StudentGradeSystem\StudentGradeSystemBll\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件        3720  2017-12-17 16:19  StudentGradeSystem\StudentGradeSystemBll\obj\Debug\StudentGradeSystemBll.csproj.FileListAbsolute.txt
     文件       14414  2017-12-23 16:31  StudentGradeSystem\StudentGradeSystemBll\obj\Debug\StudentGradeSystemBll.csprojResolveAssemblyReference.cache
     文件        9728  2017-12-18 15:33  StudentGradeSystem\StudentGradeSystemBll\obj\Debug\StudentGradeSystemBll.dll
     文件       46592  2017-12-18 15:33  StudentGradeSystem\StudentGradeSystemBll\obj\Debug\StudentGradeSystemBll.pdb
     目录           0  2017-11-28 21:56  StudentGradeSystem\StudentGradeSystemBll\obj\Debug\TempPE\
     目录           0  2017-12-20 01:47  StudentGradeSystem\StudentGradeSystemBll\Properties\
     文件        1392  2017-11-28 21:56  StudentGradeSystem\StudentGradeSystemBll\Properties\AssemblyInfo.cs
     文件        1928  2017-12-17 19:22  StudentGradeSystem\StudentGradeSystemBll\SelectCourseManager.cs
     文件        1283  2017-12-07 10:48  StudentGradeSystem\StudentGradeSystemBll\StudentClassManager.cs
     文件        3141  2017-12-12 15:53  StudentGradeSystem\StudentGradeSystemBll\StudentGradeSystemBll.csproj
     文件        1968  2017-12-16 21:36  StudentGradeSystem\StudentGradeSystemBll\StudentManager.cs
     文件        1554  2017-12-08 14:13  StudentGradeSystem\StudentGradeSystemBll\TeacherManager.cs
............此处省略414个文件信息