//Load dữ liệu vào datagridview dgvChiTietHDB
private void LoadData_ChiTietHoaDonBan()
{
string MaHDB = Get_MaHDBDangChon();
List <ChiTietHDBan> List = dbHoaDonBan.getChiTietHoaDonBanTheoMaHDB(MaHDB);
dgvChiTietHDB.DataSource = List;
dgvChiTietHDB.Columns[3].Visible = false;
dgvChiTietHDB.Columns[4].Visible = false;
LoadInfoRowSelected_ChiTietHDBan();
}
private void DataBind_ChiTietHoaDonBan()
{
string MaHDB = Get_MaHDBDangChon();
DataSet ds = dbHoaDonBan.getChiTietHoaDonBanTheoMaHDB(MaHDB);
dgvChiTietHDB.DataSource = ds.Tables[0];
txtMaSach.DataBindings.Clear();
txtSoLuong.DataBindings.Clear();
txtMaSach.DataBindings.Add("Text", ds.Tables[0], "MaSach", true, DataSourceUpdateMode.Never);
txtSoLuong.DataBindings.Add("Text", ds.Tables[0], "SoLuong", true, DataSourceUpdateMode.Never);
}
