代码逻辑如下:

 

                    //班级自动升级
                    //获取该学校还没有毕业的班级
                    List<ClassInfoes> classinfoeslist = classinfoesbll.GetList(SchoolCode).Where(a=>a.FlagGraduate==false).ToList();
                    List<int?> ListResult = new List<int?>();
                    foreach (var item in classinfoeslist)
                    {
                        ListResult.Add(item.EnterYear);
                    }
                    //升级的过程 最高年级显示毕业,其它的都升一个年级
                    if(entity.EnterYear>ListResult.Max())
                    {
                        foreach (var item in classinfoeslist)
                        {
                            if (item.CurrentGrade == item.GraduateGrade)
                            {
                                item.FlagGraduate = true;
                            }
                            else
                            {
                                item.CurrentGrade = item.CurrentGrade + 1;
                                var Grades = new Grades();
                                Grades = gradesbll.GetEntity(item.CurrentGrade);
                                item.CurrentGradeName = Grades.Name;
                            }
       
                        }
                    }
                    IsOk = repositoryfactory.Repository().Insert(classinfoeslist);

 

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