public void addStudent(int no, string name, int classID)
{
try
{
if (dc.Student.Where(t => t.No == no).Count() == 0)
{
Student s = new Student()
{
No = no, Name = name
};
dc.Student.InsertOnSubmit(s);
}
if (dc.Student_Class.Where(t => t.ClassID == classID && t.StudentNo == no).Count() == 0)
{
Student_Class sc = new Student_Class()
{
StudentNo = no, ClassID = classID
};
dc.Student_Class.InsertOnSubmit(sc);
}
dc.SubmitChanges();
}
catch (Exception e)
{
throw e;
}
}
partial void DeleteStudent_Class(Student_Class instance);
partial void UpdateStudent_Class(Student_Class instance);
partial void InsertStudent_Class(Student_Class instance);
private void detach_Student_Class(Student_Class entity)
{
this.SendPropertyChanging();
entity.ClassInfo = null;
}
private void attach_Student_Class(Student_Class entity)
{
this.SendPropertyChanging();
entity.Student = this;
}
