protected void GridViewDanhSachPhongMuon_SelectedIndexChanged(object sender, EventArgs e)
 {
     int madangky = int.Parse(GridViewDanhSachPhongMuon.SelectedRow.Cells[0].Text);
     BUSDangKyMuonPhong bus = new BUSDangKyMuonPhong();
     DANGKYMUONPHONG rs = bus.TimKiem(madangky);
     dvMuonPhong.DataSource = rs;
     dvMuonPhong.DataBind();
 }
 protected void GridViewDanhSachPhongMuon_RowCommand(object sender, GridViewCommandEventArgs e)
 {
     if (e.CommandName == "Xem")
     {
         int madangky = Convert.ToInt32(e.CommandArgument);
         BUSDangKyMuonPhong bus = new BUSDangKyMuonPhong();
         DANGKYMUONPHONG rs = bus.TimKiem(madangky);
         List<DANGKYMUONPHONG> lst = new List<DANGKYMUONPHONG>();
         lst.Add(rs);
         dvMuonPhong.DataSource = lst;
         dvMuonPhong.DataBind();
     }
 }
        protected void LoadMuonPhong()
        {
            //Xu ly session
            NGUOIDUNG a = (NGUOIDUNG)Session["LOGIN"];

            if (Request.QueryString["id"] != null)
            {
                //lay ma
                int madangky = int.Parse(Request.QueryString["id"]);

                //lay thong tin va load len cac textbox
                BUSDangKyMuonPhong BUSDangKyMuonPhong = new BUSDangKyMuonPhong();
                DANGKYMUONPHONG lpDTO = BUSDangKyMuonPhong.TimKiem(madangky);
                txtngay.Text = lpDTO.NgaySuDung.ToString();
                txtsoluong.Text = lpDTO.SoLuong.ToString();
                txtmucdich.Text = lpDTO.MucDich;
                txtdonvimuon.Text = lpDTO.DonViMuon;
                txtPhong.Text = lpDTO.KQPhong;
                TGTu.Text = lpDTO.TGBatDau;
                TGDen.Text = lpDTO.TGKetThuc;
            }
        }