public ActionResult ViewStudent(SearchStudent searchStudent)
{
if (ModelState.IsValid)
{
CardDAO Card_DAO = new CardDAO();
if (Card_DAO.ISExsistCardDate(searchStudent.CardNumber))
{
RegestrationDAO Registrator = new RegestrationDAO();
if (Registrator.IsValidCardInDataBase(searchStudent.CardNumber))
{
StudentDAO Student_DAO = new StudentDAO();
return(View(Student_DAO.GetStudenInfo(searchStudent.CardNumber)));
}
else
{
ModelState.AddModelError("", "The Card Number is not sold yet,so there is no student registerd with this card number");
return(View("SearchStudent"));
}
}
else
{
ModelState.AddModelError("", "There is no card with this card number.Please give a valid card number");
return(View("SearchStudent"));
}
}
else
{
ModelState.AddModelError("", "The Card Number is invalid");
return(View("SearchStudent"));
}
}
