protected void grvQuocTich_InsertCommand(object sender, GridCommandEventArgs e)
{
GridEditableItem item = e.Item as GridEditableItem;
Hashtable values = new Hashtable();
item.ExtractValues(values);
QuocTich qt = new QuocTich();
qt.NgayTao = qt.NgayCapNhat = DateTime.Now;
qt.NguoiTao = qt.NguoiCapNhat = idNhanVien;
item.UpdateValues(qt);
_entities.AddToQuocTiches(qt);
_entities.SaveChanges();
}