private void get_id_nhan_vien_tu_data_row(US_DUNG_CHUNG v_us_dc, DataRow v_data_row, ref decimal v_id_nv) { DataSet v_ds = new DataSet(); v_ds.Tables.Add(new DataTable()); v_us_dc.FillDatasetWithQuery(v_ds, "SELECT * FROM DM_NHAN_VIEN WHERE MA_NV ='" + v_data_row[1].ToString() + "'"); v_id_nv = CIPConvert.ToDecimal(v_ds.Tables[0].Rows[0]["ID"].ToString()); }