public void DeleteStudentByID(int id)
{
studdl b = new studdl();
b.DeleteStudentByID(id);
}
public List <student> GetStudentbydob()
{
studdl c = new studdl();
return(c.GetStudentbydob());
}
public void AddStudent(student stud)
{
studdl a = new studdl();
a.AddStudent(stud);
}