access下的分页方案

时　间:2008-07-15 13:25:14
作　者:umvsoft整理   ID：16  城市：江阴
摘　要:access下的分页方案
正　文:

具体不多说了，只贴出相关源码~

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.OleDb;
using System.Web;

/**//// <summary>
/// 名称：access下的分页方案（仿sql存储过程）
/// 作者：cncxz(虫虫)
/// blog：http://cncxz.cnblogs.com
/// </summary>
public class AdoPager
{
    protected string m_ConnString;
    protected OleDbConnection m_Conn;

    public AdoPager()
    {
        CreateConn(string.Empty);
    }
    public AdoPager(string dbPath)
    {
        CreateConn(dbPath);
    }

    private void CreateConn(string dbPath)
    {
        if (string.IsNullOrEmpty(dbPath))
        {
            string str = System.Configuration.ConfigurationManager.AppSettings["dbPath"] as string;
            if (string.IsNullOrEmpty(str))
                str = "~/App_Data/db.mdb";
            m_ConnString = string.Format(@"Provider=Microsoft.Jet.OLEDB.4.0;Data source={0}", HttpContext.Current.Server.MapPath(str));
        }
        else
            m_ConnString = string.Format(@"Provider=Microsoft.Jet.OLEDB.4.0;Data source={0}", dbPath);

        m_Conn = new OleDbConnection(m_ConnString);
    }
    /**//// <summary>
    /// 打开连接
    /// </summary>
    public void ConnOpen()
    {
        if (m_Conn.State != ConnectionState.Open)
            m_Conn.Open();
    }
    /**//// <summary>
    /// 关闭连接
    /// </summary>
    public void ConnClose()
    {
        if (m_Conn.State != ConnectionState.Closed)
            m_Conn.Close();
    }

    private string recordID(string query, int passCount)
    {
        OleDbCommand cmd = new OleDbCommand(query, m_Conn);
        string result = string.Empty;
        using (IDataReader dr = cmd.ExecuteReader())
        {
            while (dr.Read())
            {
                if (passCount < 1)
                {
                    result += "," + dr.GetInt32(0);
    &n

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