public int AddExam(Exam exam)
{
int i = -1;
if (exam.Id > 0)
{
i = facade.Update(exam);
}
else
{
i = facade.Add(exam);
}
return(i);
}
public int AddStudent(Student stu)
{
int i = -1;
if (stu.Id > 0)
{
i = facade.Update(stu);
}
else
{
i = facade.Add(stu);
}
return(i);
}
public int AddQuestion(Question que)
{
int i = -1;
if (que.Id > 0)
{
i = facade.Update(que);
}
else
{
i = facade.Add(que);
}
return(i);
}
public int AddTeacher(Teacher tch)
{
int i = -1;
if (tch.Id > 0)
{
i = facade.Update(tch);
}
else
{
i = facade.Add(tch);
}
return(i);
}
