public ActionResult Create()
{
StudentActionViewModel model = new StudentActionViewModel();
model.Departments = _context.Departments.ToList();
return(View(model));
}
public ActionResult Edit(int id)
{
StudentActionViewModel model = new StudentActionViewModel();
var existingStudent = _context.Students.Find(id);
model.Id = existingStudent.Id;
model.Name = existingStudent.Name;
model.RegistrationNo = existingStudent.RegistrationNo;
model.DepartmentId = model.Department != null ? model.Department.Id : 0;
model.Departments = _context.Departments.ToList();
return(View(model));
}
public ActionResult Create(StudentActionViewModel model)
{
Student newStudent = new Student();
if (ModelState.IsValid)
{
newStudent.Name = model.Name;
newStudent.RegistrationNo = model.RegistrationNo;
newStudent.Department = _context.Departments.Find(model.DepartmentId);
//_context.Entry(student.Department).State = System.Data.Entity.EntityState.Unchanged;
//_context.Entry(newStudent.Department).State = System.Data.Entity.EntityState.Unchanged;
_context.Students.Add(newStudent);
_context.SaveChanges();
}
return(RedirectToAction("Index"));
}
public ActionResult Edit(StudentActionViewModel model)
{
var studentToUpdate = _context.Students.Find(model.Id);
if (ModelState.IsValid)
{
studentToUpdate.Name = model.Name;
studentToUpdate.RegistrationNo = model.RegistrationNo;
studentToUpdate.Department = null;
studentToUpdate.DepartmentId = model.DepartmentId;
//_context.Entry(student.Department).State = System.Data.Entity.EntityState.Unchanged;
//_context.Entry(student).State = System.Data.Entity.EntityState.Modified;
//_context.Students.AddOrUpdate(student);
_context.SaveChanges();
}
return(RedirectToAction("Index"));
}