public void LoadData() { try { QLHS_BUS bus = new QLHS_BUS(); DataTable dt = bus.LayTatCaBangDiem(); DataTable dt_1 = bus.LayDSMonHoc(); cb_tenmh.DataSource = dt_1; cb_tenmh.DisplayMember = "TenMonHoc"; cb_tenmh.ValueMember = "TenMonHoc"; dtgv_danhsachbangdiem.DataSource = dt; if (dt.Rows.Count > 0) { dtgv_danhsachbangdiem.Rows[0].Selected = true; RowSelected = new QLHS_DTO(); RowSelected.MaBangDiem = dtgv_danhsachbangdiem.SelectedRows[0].Cells["MaBangDiem"].Value.ToString(); RowSelected.MaHocSinh = dtgv_danhsachbangdiem.SelectedRows[0].Cells["MaHocSinh"].Value.ToString(); RowSelected.MaMonHoc = dtgv_danhsachbangdiem.SelectedRows[0].Cells["MaMonHoc"].Value.ToString(); RowSelected.Diem15phut = dtgv_danhsachbangdiem.SelectedRows[0].Cells["Diem15phut"].Value.ToString(); RowSelected.Diem1tiet = dtgv_danhsachbangdiem.SelectedRows[0].Cells["Diem1tiet"].Value.ToString(); RowSelected.DiemCuoiKi = dtgv_danhsachbangdiem.SelectedRows[0].Cells["DiemCuoiKi"].Value.ToString(); } } catch (Exception ex) { } }