Mode层

namespace MySchool2.Mode
{
   public  class GradeMode
    {
       public int  GradeId { get; set; }
       public string GradeName { get; set; }
    }
}

namespace MySchool2.Mode
{
   public  class ResultMode
    {
       public int StudentNo { get; set; }
       public int SubjectId { get; set; }
       public int StudentResult { get; set; }
       public DateTime ExamDate { get; set; }
       public int Id { get; set; }
    }
}

namespace MySchool2.Mode
{
  public   class SubjectMode
    {
      public int SubjectId { get; set; }
      public string SubjectName { get; set; }
      public int ClassHour { get; set; }
      public int GradeId { get; set; }
    }
}