/// <summary>
/// 通过学生编号 设置选程
/// 返回值 1 成功 0失败
/// </summary>
/// <param name="id">学生id</param>
/// <param name="cid">可选课程id</param>
/// <returns></returns>
public int SetStudentStudyCourse_table(int id, int cid)
{
StudyCourse_table snewCourse = new StudyCourse_table();
snewCourse.IDNewCourse = cid;
snewCourse.IDStudent = id;
//刚选的可成绩默认 -1
snewCourse.GradeStudyCourse = -1;
return(new OperationStudyCourseData().Add(snewCourse));
}
public void TestData4()
{
StudyCourse_table asdsd = new StudyCourse_table();
asdsd.IDStudent = 2000001;
asdsd.IDNewCourse = 8000000;
asdsd.GradeStudyCourse = -1;
db.StudyCourse_table.Add(asdsd);;
db.SaveChanges();
}
/// <summary>
/// 形参为StudyCourse_table 对象 根据编号修改对象信息
/// </summary>
/// <param name="obj"></param>
public override int Modify(Object obj)
{
try
{
StudyCourse_table stu = obj as StudyCourse_table;
var user = (from e in db.StudyCourse_table
where e.IDStudyCourse == stu.IDStudyCourse
select e).FirstOrDefault();
user = stu;
db.SaveChanges();
return(1);
}
catch (Exception e)
{
return(0);
}
}
