private void FrmKhachHang_Load(object sender, EventArgs e)
{
dgvKhachHang.DataSource = BUS_KhachHang.TakeAllCustomers();
dgvKhachHang.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
txtMaKH.Enabled = false;
int id = int.Parse(dgvKhachHang.Rows.Count.ToString());
txtMaKH.Text = "KH00" + ++id;
txtTenKH.Focus();
cbbChonPhong.Visible = false;
txtMaPhongKHDaChon.Text = MaPhong;
txtPhongDaChon.Text = TenPhong;
txtPhongDaChon.Enabled = false;
gpDichVuKHKhiDatPhong.Visible = false;
// cbbMaDVKhiDatPhong.DataSource = BUS_DichVu.takeAllServiceFId()
// cbbMaDVKhiDatPhong.DataSource = BUS_DichVu.takeAllServiceTest();
// cbbMaDVKhiDatPhong.DisplayMember = "MaDV";
// cbbMaDVKhiDatPhong.ValueMember = "MaDV";
cbbMaDVKhiDatPhong.DataSource = BUS_DichVuDaDat.takeALLServiced();
cbbMaDVKhiDatPhong.DisplayMember = "MaDV";
cbbMaDVKhiDatPhong.ValueMember = "MaDV";
}
void ShowDGVKhachHang()
{
List <KhachHang_DTO> lst = BUS_KhachHang.TakeAllCustomers();
dgvKhachHang.DataSource = lst;
dgvKhachHang.Columns["MaKH"].HeaderText = "Mã Khách hàng";
dgvKhachHang.Columns["TenKH"].HeaderText = "Tên Khách hàng";
dgvKhachHang.Columns["CMND"].HeaderText = "CMND";
dgvKhachHang.Columns["QuocTich"].HeaderText = "Quốc Tịch";
dgvKhachHang.Columns["GioiTinh"].HeaderText = "Giới Tính";
dgvKhachHang.Columns["NgaySinh"].HeaderText = "Ngày Sinh";
dgvKhachHang.Columns["SDT"].HeaderText = "Liên Lạc";
dgvKhachHang.Columns["MaPhong"].HeaderText = "Mã Phòng";
}
