华山资源网

ASP.NET技巧：access下的分页方案
网络编程 2024/9/20 佚名
3 1

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
"dbPath"] as string;
            if (string.IsNullOrEmpty(str))
                str = "~/App_Data/db.mdb";
            m_ConnString = string.Format(@"Provider=Microsoft.Jet.OLEDB.4.0;Data source=", HttpContext.Current.Server.MapPath(str));
        "Provider=Microsoft.Jet.OLEDB.4.0;Data source=", dbPath);

        m_Conn = new OleDbConnection(m_ConnString);
    "," + dr.GetInt32(0);
                "pageIndex">当前页码</param>
    /// <param name="pageSize">分页容量</param>
    /// <param name="showString">显示的字段</param>
    /// <param name="queryString">查询字符串，支持联合查询</param>
    /// <param name="whereString">查询条件，若有条件限制则必须以where 开头</param>
    /// <param name="orderString">排序规则</param>
    /// <param name="pageCount">传出参数：总页数统计</param>
    /// <param name="recordCount">传出参数：总记录统计</param>
    /// <returns>装载记录的DataTable</returns>
    public DataTable ExecutePager(int pageIndex, int pageSize, string showString, string queryString, string whereString, string orderString, out int pageCount, out int recordCount)
    "*";
        if (string.IsNullOrEmpty(orderString)) orderString = "ID desc";
        ConnOpen();
        string myVw = string.Format(" ( ", queryString);
        OleDbCommand cmdCount = new OleDbCommand(string.Format(" select count(0) as recordCount from ", myVw, whereString), m_Conn);

        recordCount = Convert.ToInt32(cmdCount.ExecuteScalar());

        if ((recordCount % pageSize) > 0)
            pageCount = recordCount / pageSize + 1;
        else
            pageCount = recordCount / pageSize;
        OleDbCommand cmdRecord;
        if (pageIndex == 1)//第一页
        "select top ", pageSize, showString, myVw, whereString, orderString), m_Conn);
        "select top ", pageSize, showString, myVw, "where 1=2", orderString), m_Conn);
        "select top ", pageLowerBound, "ID", myVw, whereString, orderString), pageUpperBound);
            cmdRecord = new OleDbCommand(string.Format("select ", showString, myVw, recordIDs, orderString), m_Conn);

        "C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>分页演示</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <br />
        &nbsp; 转到第<asp:TextBox ID="txtPageSize" runat="server" Width="29px">1</asp:TextBox>页<asp:Button ID="btnJump" runat="server" Text="Go" OnClick="btnJump_Click" /><br />
        <asp:GridView ID="GridView1" runat="server" CellPadding="4" ForeColor="#333333" GridLines="None" Width="90%">
            <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
            <RowStyle BackColor="#EFF3FB" />
            <EditRowStyle BackColor="#2461BF" />
            <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
            <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
            <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
            <AlternatingRowStyle BackColor="White" />
        </asp:GridView>

    </div>
        <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
    </form>
</body>
</html>

示例的codebehind代码

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Collections.Generic;

public partial class _Default : System.Web.UI.Page
"select a.*,b.KindText from tableTest a left join tableKind b on a.KindCode=b.KindCode ";
        string strShow = "ID,Subject,KindCode,KindText";    

        DataTable dt = m_Pager.ExecutePager(pageIndex, pageSize, strShow, strQuery, "", "ID desc", out pageCount, out recordCount);
        GridView1.DataSource = dt;
        GridView1.DataBind();
        Label1.Text = string.Format("共",recordCount,pageSize,pageIndex,pageCount);
    }

  
    protected void btnJump_Click(object sender, EventArgs e)
    {
        int.TryParse(txtPageSize.Text, out pageIndex);
        LoadData();
    }
}

 

华山资源网 Design By www.eoogi.com
广告合作：本站广告合作请联系QQ：858582 申请时备注：广告合作（否则不回）
免责声明：本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除！
华山资源网 Design By www.eoogi.com
www.eoogi.com 华山资源网
120,135影音资源
344,641技术资源
22,817软件资源
435,032站长资源

更新日志

友情链接

杰晶网络 DDR爱好者之家 桃源资源网 杰网资源 富贵资源网 南强小屋 铁雪资源网 幽灵资源网 万梅资源网 狼山资源网 白云岛资源网 昆仑资源网 相思资源网 明霞山资源网 内蒙古资源网 黑松山资源网 茶园资源网 饿虎岗资源网 大旗谷资源网 常春岛资源网 岱庙资源网 兴国资源网 快活林资源网 蝙蝠岛资源网 帝王谷资源网 白云城资源网 伏龙阁资源网 清风细雨楼 天枫庄资源网 圆月山庄资源网 无争山庄资源网 神水资源网 移花宫资源网 神剑山庄资源网 无为清净楼资源网 金钱帮资源网 丐帮资源网 华山资源网 极乐门资源网 小李飞刀资源网 凤求凰客栈 风云阁资源网 金狮镖局 鸳鸯亭资源网 千金楼资源网 更多链接
华山资源网 Design By www.eoogi.com