public void LoadData() { try { QLHS_BUS bus = new QLHS_BUS(); DataTable dt = bus.LayTatCaHocSinh(); dtgv_danhsachhocsinh.DataSource = dt; if (dt.Rows.Count > 0) { dtgv_danhsachhocsinh.Rows[0].Selected = true; RowSelected = new QLHS_DTO(); RowSelected.MaHocSinh = dtgv_danhsachhocsinh.SelectedRows[0].Cells["MaHocSinh"].Value.ToString(); RowSelected.HoTen = dtgv_danhsachhocsinh.SelectedRows[0].Cells["HoTen"].Value.ToString(); RowSelected.GioiTinh = dtgv_danhsachhocsinh.SelectedRows[0].Cells["GioiTinh"].Value.ToString(); RowSelected.NgaySinh = dtgv_danhsachhocsinh.SelectedRows[0].Cells["NgaySinh"].Value.ToString(); RowSelected.DiaChi = dtgv_danhsachhocsinh.SelectedRows[0].Cells["DiaChi"].Value.ToString(); RowSelected.Email = dtgv_danhsachhocsinh.SelectedRows[0].Cells["Email"].Value.ToString(); } } catch (Exception ex) { } }