日期:2010-09-29 浏览次数:20519 次
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);
}
passCount--;