private void DatPhong_Load(object sender, EventArgs e)
{
dateTimePicker1.Format = DateTimePickerFormat.Custom;
dateTimePicker1.CustomFormat = "hh:mm dd/MM/yyyy";
dtp_thoigiandat2.Format = DateTimePickerFormat.Custom;
dtp_thoigiandat2.CustomFormat = "hh:mm dd/MM/yyyy";
dtp_thoigiantra2.Format = DateTimePickerFormat.Custom;
dtp_thoigiantra2.CustomFormat = "hh:mm dd/MM/yyyy";
cbb_nhanvien.DisplayMember = "tennhanvien";
cbb_nhanvien.ValueMember = "idnhanvien";
cbb_nhanvien.DataSource = nv_model.getNhanVien();
cbb_loaiphong1.DisplayMember = "tenkieuphong";
cbb_loaiphong1.ValueMember = "idkieuphong";
cbb_loaiphong1.DataSource = kp_model.getKieuPhong();
cbb_phong2.DisplayMember = "tenphong";
cbb_phong2.ValueMember = "idhoadon";
cbb_phong2.DataSource = hd_model.getTraPhong();
}
