public void ThemNhanVien(NhanVienViewModel register)
 {
     User user = new User();
     user.TenDangNhap = register.TenDangNhap;
     user.TenDayDu = register.TenDayDu;
     user.MatKhau = BabyToys.Utilities.EditString.mahoa_md5(register.MatKhau);
     user.NgayTao = System.DateTime.Now;
     user.Email = register.Email;
     user.DiaChi = register.DiaChi;
     user.SoDienThoai = register.SoDienThoai;
     user.IdQuyen = register.IdQuyen;
     user.IsActive = true;
     db.Users.Add(user);
     db.SaveChanges();
 }
 public void SuaNhanVien(NhanVienViewModel u)
 {
     User user = new User();
     user.Id = u.Id;
     user.TenDangNhap = u.TenDangNhap;
     user.TenDayDu = u.TenDayDu;
     user.MatKhau = u.MatKhau;
     user.NgayTao = u.NgayTao;
     user.Email = u.Email;
     user.DiaChi = u.DiaChi;
     user.SoDienThoai = u.SoDienThoai;
     user.IdQuyen = u.IdQuyen;
     user.IsActive = u.IsActive;
     db.Entry(user).State = EntityState.Modified;
     db.SaveChanges();
 }