- debug function

Signed-off-by: tuyetphale993 <tuyetphale993@gmail.com>
Merge branch 'master' of github.com:buithithuyquynh1993/DoAn_UDHTTTHienDai

Conflicts:
	QuanLiThuVien/QuanLiThuVien/App_Start/RouteConfig.cs
	QuanLiThuVien/QuanLiThuVien/Controllers/DocGiaController.cs
	QuanLiThuVien/QuanLiThuVien/Controllers/SachController.cs
	QuanLiThuVien/QuanLiThuVien/Views/DocGia/LayDsMuonTra.cshtml
 - rebuild solution

Signed-off-by: tuyetphale993 <tuyetphale993@gmail.com>