GridVew,DataList,Repeater分页用户控件(第一版)

用户控件代码
界面代码：

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="PagerData.ascx.cs" Inherits="PagerData" %>
<asp:Panel runat="server" ID="PagerBox">
共&nbsp;<asp:Label ID="ltl_PageCount" runat="server"></asp:Label>&nbsp;条记录&nbsp; 共&nbsp;<asp:Label ID="ltl_RecordCount" runat="server"></asp:Label>&nbsp;页 &nbsp;当前&nbsp;<asp:Label ID="ltl_Pageindex" runat="server"></asp:Label>&nbsp;页 &nbsp;&nbsp;&nbsp;&nbsp;<asp:HyperLink ID="lbn_First" runat="server">首页</asp:HyperLink>&nbsp; &nbsp;&nbsp;&nbsp;<asp:HyperLink ID="lbn_Prev" runat="server" >上一页</asp:HyperLink>&nbsp;&nbsp;&nbsp;&nbsp;<asp:HyperLink ID="lbn_Next" runat="server">下一页</asp:HyperLink>&nbsp;&nbsp;&nbsp;&nbsp;<asp:HyperLink ID="lbn_Last" runat="server">最后一页</asp:HyperLink>&nbsp;&nbsp;&nbsp;&nbsp;转到&nbsp;&nbsp;<asp:Label ID="ltl_Jump" runat="server"></asp:Label>
</asp:Panel>

cs代码：

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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.Text;

public partial class PagerData : System.Web.UI.UserControl
{
    private string controlid;
    private string sqltext;
    private string controltype;
    private int shownums;
    private string cssstyle;
    /// <summary>
    /// 被绑定控件ID号
    /// </summary>
    public string ControlIDs
    {
        get { return controlid; }
        set { controlid = value; }
    }
    /// <summary>
    /// 传入的SQL语句
    /// </summary>
    public string SqlText
    {
        get { return sqltext; }
        set { sqltext = value; }
    }
    /// <summary>
    /// 控件类型(GridView,DataList,Repeater)
    /// </summary>
    public string ControlType
    {
        get { return controltype; }
        set { controltype = value; }
    }
    /// <summary>
    /// 显示每页数量
    /// </summary>
    public string ShowNums
    {
        get { return shownums.ToString(); }
        set { shownums = Convert.ToInt32(value); }
    }
    /// <summary>
    /// 内容
    /// </summary>
    public string CssClass
    {
        get { return cssstyle; }
        set { cssstyle = value; }
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        PagerBox.CssClass = cssstyle;
        string sqlcmd = sqltext;
        DataSet ds = userSql.db.ExecuteDataset(sqlcmd);
        PagedDataSource pds = new PagedDataSource();
        pds.DataSource = ds.Tables[0].DefaultView;//设置数据源(DataTable类型)
        pds.AllowPaging = true;
        //第页显示的行数
        pds.PageSize = shownums;

        int Pageindex;
        //当前页面从Page查询参数获取 
        if (Request.QueryString["Page"] != null)
            Pageindex = Convert.ToInt32(Request.QueryString["Page"]);
        else
            Pageindex = 1;

        //设置当前页
        if (Pageindex < 1) Pageindex = 1;
        pds.CurrentPageIndex = Pageindex - 1;

        if (controltype == "GridView")
        {
            GridView rpt_NewsList = (GridView)Page.FindControl(controlid);
            rpt_NewsList.DataSource = pds;
            rpt_NewsList.DataBind();
        }
        else if (controltype == "DataList")
        {
            DataList rpt_NewsList = (DataList)Page.FindControl(controlid);
            rpt_NewsList.DataSource = pds;
            rpt_NewsList.DataBind();
        }
        else
        {
            Repeater rpt_NewsList = (Repeater)Page.FindControl(controlid);
            rpt_NewsList.DataSource = pds;
            rpt_NewsList.DataBind();
        }


        long L_Manage = 1;
        //显示页码
        ltl_RecordCount.Text = pds.DataSourceCount.ToString();
        ltl_PageCount.Text = pds.PageCount.ToString();
        ltl_Pageindex.Text = Pageindex.ToString();
        ltl_Jump.Text = Jump_List(pds.PageCount, Pageindex, L_Manage);

        //显示上下翻页(URL 后面跟的参数自已跟据需要定义)
        lbn_First.ToolTip = "跳转到首页";
        lbn_First.NavigateUrl = Request.CurrentExecutionFilePath + "?Org_ID=" + L_Manage + "&page=1";
        lbn_Prev.ToolTip = "跳转到上一页";
        lbn_Prev.NavigateUrl = Request.CurrentExecutionFilePath + "?Org_ID=" + L_Manage + "&page=" + (Pageindex - 1);
        lbn_Next.ToolTip = "跳转到下一页";
        lbn_Next.NavigateUrl = Request.CurrentExecutionFilePath + "?Org_ID=" + L_Manage + "&page=" + (Pageindex + 1);
        lbn_Last.ToolTip = "跳转到最后一页";
        lbn_Last.NavigateUrl = Request.CurrentExecutionFilePath + "?Org_ID=" + L_Manage + "&page=" + pds.PageCount.ToString();

        //确定链接的显示方式
        if (Pageindex <= 1 && pds.PageCount <= 1)
        {
            lbn_First.NavigateUrl = "";
            lbn_Prev.NavigateUrl = "";
            lbn_Next.NavigateUrl = "";
            lbn_Last.NavigateUrl = "";
        }
        if (Pageindex <= 1 && pds.PageCount > 1)
        {
            lbn_First.NavigateUrl = "";
            lbn_Prev.NavigateUrl = "";
        }
        if (Pageindex >= pds.PageCount)
        {
            lbn_Next.NavigateUrl = "";
            lbn_Last.NavigateUrl = "";
        }
    }

    /**/
    /// <summary>
    /// 计算分页跳转
    /// </summary>
    /// <param name="Pagecount">页面数</param>
    /// <returns>string</returns>
    private string Jump_List(int Pagecount, int Pageindex, long L_Manage)
    {
        StringBuilder sb = new StringBuilder();
        sb.Append("<select id=\"Page_Jump\" name=\"Page_Jump\" onchange=\"window.location='" + Request.CurrentExecutionFilePath + "?page='+ this.options[this.selectedIndex].value + '&Org_ID=" + L_Manage + "';\">");
        for (int i = 1; i <= Pagecount; i++)
        {
            if (Pageindex == i)
                sb.Append("<option value='" + i + "' selected>" + i + "</option>");
            else
                sb.Append("<option value='" + i + "'>" + i + "</option>");
        }
        sb.Append("</select>");

        return sb.ToString();
    }
}

---

调用代码
前台界面代码：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="Admin_test" %>

<%@ Register Src="PagerData.ascx" TagName="PagerData" TagPrefix="uc1" %>

<!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>无标题页</title>
    <link href="test.css" rel="stylesheet" type="text/css" />
</head>
<body>
    <form id="form1" runat="server">
    <div>
<%--        <asp:Repeater ID="rpt_NewsList" runat="server">
        <ItemTemplate>
        <%#Eval("Adminname") %>
        </ItemTemplate>
        </asp:Repeater>--%>
        &nbsp;
        <uc1:PagerData ID="PagerData1" runat="server" />
        <asp:DataList ID="DataList1" runat="server">
        <ItemTemplate>
        <%#Eval("Adminname") %>
        </ItemTemplate>
        </asp:DataList></div>
    
    </form>
</body>
</html>

前台cs代码：

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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.Text;

public partial class Admin_test : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if(!IsPostBack){
            PagerData1.SqlText = "select * from Admin";
            PagerData1.ControlIDs = "DataList1";
            PagerData1.ControlType = "DataList";
            PagerData1.ShowNums = "3";
            PagerData1.CssClass = "xxx";
        }
    }
}