摘要：
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Data.SqlClient;using System.Collections;using System.Data;using System.Configuration;namespace DAL{ public class sqlHelper { //Database connection strings public static string SQLConStr... 阅读全文
摘要：
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Data;using System.Data.SqlClient;namespace DAL{ public class Field { // Disallow Construction private Field() { } // By Number static public string GetString(SqlDataRead... 阅读全文