// GET: MonHocs/Create
public ActionResult Create()
{
LoaiMonHoc lmh = new LoaiMonHoc();
ViewBag.LoaiMonHoc = new SelectList(lmh.GetListLoaiMonHoc(), "LoaiMonHocID", "TenLoaiMonHoc");
return(View());
}
// GET: MonHocs/Edit/5
public ActionResult Edit(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
MonHoc monHoc = db.MonHocs.Find(id);
if (monHoc == null)
{
return(HttpNotFound());
}
LoaiMonHoc lmh = new LoaiMonHoc();
ViewBag.LoaiMonHoc = new SelectList(lmh.GetListLoaiMonHoc(), "LoaiMonHocID", "TenLoaiMonHoc", monHoc.LoaiMonHoc);
return(View(monHoc));
}
public ActionResult Create([Bind(Include = "MonHocID,MaMonHoc,TenMonHoc,SoTinChi,LoaiMonHoc")] MonHoc monHoc)
{
MonHoc mh = db.MonHocs.FirstOrDefault(x => x.MaMonHoc == monHoc.MaMonHoc);
LoaiMonHoc lmh = new LoaiMonHoc();
ViewBag.LoaiMonHoc = new SelectList(lmh.GetListLoaiMonHoc(), "LoaiMonHocID", "TenLoaiMonHoc");
if (mh != null)
{
ModelState.AddModelError("", "Mã môn học đã tồn tại trong hệ thống");
return(View(monHoc));
}
if (ModelState.IsValid)
{
db.MonHocs.Add(monHoc);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(monHoc));
}