卑鄙De小贝

摘要： public static DataTable mydt(DataTable dt, DataTable dt2) { DataColumn dc = new DataColumn(); dt.Columns.Add("dd"); for (int i = 0; i != dt.Rows.Count; i++) { dt.Rows[i]["dd"] = mydt2(dt2, dt.Rows[i]["type_id"].ToString()); } return dt; } public static string mydt2(Data 阅读全文