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using System;
using System.Web;
using System.Data.SqlClient;
using System.Data;
using System.Configuration;
namespace op_db
{
/**//// <summary>
/// ×¨ÃÅÓÃÀ´´¦ÀíÓëÊý¾Ý¿âµÄ²Ù×÷
/// </summary>
    public class db_class
    {
        ³ÉÔ±#region ³ÉÔ±
        private SqlConnection conn=new SqlConnection();
        /**//// <summary>
        /// Ë½ÓгÉÔ±
        /// </summary>
        private string _sql;
        /**//// <summary>
        /// ÊôÐÔ£ºÊý¾Ý¿â²éѯÓï¾ä
        /// </summary>
        private string _er;
        public string er
        {
            get{return _er;}
            
        }
        public string sql
        {
            get{return _sql;}
            set{_sql=value;}
        }
        #endregion
        º¯Êý#region º¯Êý
   &nbs


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