[转]Repeate分页

 
Repeate分页 (2008-07-20 16:01:24)

有上一页下一页首页尾页
主要代码参考天轰穿教程
数据库直接用的sql2000中的pubs

以下为源码:
//repeate.aspx.cs

using System;
using System.Data;
using System.Data.SqlClient;
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;

public partial class repeate : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Repeater1.DataSource = pds();
            Repeater1.DataBind();           
        }
    }
    private PagedDataSource pds()
    {
        string connstring = ConfigurationManager.ConnectionStrings["pconn"].ConnectionString;
        SqlConnection con = new SqlConnection(connstring);
      
        DataSet ds = new DataSet();
        SqlDataAdapter sda = new SqlDataAdapter("select * from authors",con);
        sda.Fill(ds,"name");
        SqlDataAdapter sda2 = new SqlDataAdapter("select * from titleauthor",con);
        sda2.Fill(ds,"title");
        ds.Relations.Add("myrela",ds.Tables["name"].Columns["au_id"],ds.Tables["title"].Columns["au_id"]);

        PagedDataSource pds = new PagedDataSource();
        pds.DataSource = ds.Tables["name"].DefaultView;
        pds.AllowPaging = true;//允许分页
        pds.PageSize = 5;//单页显示项数
        pds.CurrentPageIndex = Convert.ToInt32(Request.QueryString["page"]);
        return pds;
    }

    protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Footer)
        {
            DropDownList ddlp = (DropDownList)e.Item.FindControl("ddlp");

            HyperLink lpfirst = (HyperLink)e.Item.FindControl("hlfir");
            HyperLink lpprev = (HyperLink)e.Item.FindControl("hlp");
            HyperLink lpnext = (HyperLink)e.Item.FindControl("hln");
            HyperLink lplast = (HyperLink)e.Item.FindControl("hlla");

            pds().CurrentPageIndex = ddlp.SelectedIndex;

            int n = Convert.ToInt32(pds().PageCount);//n为分页数
            int i = Convert.ToInt32(pds().CurrentPageIndex);//i为当前页

            Label lblpc = (Label)e.Item.FindControl("lblpc");
            lblpc.Text = n.ToString();
            Label lblp = (Label)e.Item.FindControl("lblp");
            lblp.Text = Convert.ToString(pds().CurrentPageIndex + 1);

            if (!IsPostBack)
            {
                for (int j = 0; j < n; j++)
                {
                    ddlp.Items.Add(Convert.ToString(j + 1));
                }
            }

            if (i <= 0)
            {
                lpfirst.Enabled = false;
                lpprev.Enabled = false;
                lplast.Enabled = true;
                lpnext.Enabled = true;
            }
            else
            {
                lpprev.NavigateUrl = "?page=" + (i - 1);
            }
            if (i >= n - 1)
            {
                lpfirst.Enabled = true;
                lplast.Enabled = false;
                lpnext.Enabled = false;
                lpprev.Enabled = true;
            }
            else
            {
                lpnext.NavigateUrl = "?page=" + (i + 1);
            }

            lpfirst.NavigateUrl = "?page=0";//向本页传递参数page
            lplast.NavigateUrl = "?page=" + (n - 1);

            ddlp.SelectedIndex = Convert.ToInt32(pds().CurrentPageIndex);//更新下拉列表框中的当前选中页序号
        }

    }
    protected void ddlp_SelectedIndexChanged(object sender, EventArgs e)
    {//脚模板中的下拉列表框更改时激发
        string pg=Convert.ToString((Convert.ToInt32(((DropDownList)sender).SelectedValue)-1));//获取列表框当前选中项
        Response.Redirect("repeate.aspx?page="+pg);//页面转向
    }
}


//repeate.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="repeate.aspx.cs" Inherits="repeate" %>
<%@ Import Namespace="System.Data" %>

<!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>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Repeater ID="Repeater1" runat="server" OnItemDataBound="Repeater1_ItemDataBound" >
        <HeaderTemplate><%-- 我是头模板--%>
        <table width="500">
        <tr style="background-color: #ccffcc;">
        <td>作者</td>
        <td>书籍</td>
        </tr>
        </HeaderTemplate>
        <ItemTemplate><%--我是项模板--%>
        <tr>
        <td><a href='repeate.aspx?id=<%# Eval("au_id")%>'><%# Eval("au_lname") %></a></td>
        <td><asp:Repeater ID="Repeater2" runat="server" DataSource='<%# Eval("myrela") %>'>
        <ItemTemplate>
        <%# Eval("[\"title_id\"]") %>
        </ItemTemplate>
        </asp:Repeater>
        </td>
        </tr>       
        </ItemTemplate>
        <SeparatorTemplate><%--这是分隔线模板--%>
        <tr>
        <td colspan="2">
        <hr style="border-top:1pt;"/>
        </td>
        </tr>
        </SeparatorTemplate>
        <FooterTemplate><%--这是脚模板--%>
        <tr>
        <td colspan="2" style="font-size:12pt;color:#0099ff; background-color:#e6feda;">
        共<asp:Label ID="lblpc" runat="server" Text="Label"></asp:Label>页当前为第
        <asp:Label ID="lblp" runat="server" Text="Label"></asp:Label>页
        <asp:HyperLink ID="hlfir" runat="server" Text="首页"></asp:HyperLink>
        <asp:HyperLink ID="hlp" runat="server" Text="上一页"></asp:HyperLink>
        <asp:HyperLink ID="hln" runat="server" Text="下一页"></asp:HyperLink>
        <asp:HyperLink ID="hlla" runat="server" Text="尾页"></asp:HyperLink>
         跳至第
         <asp:DropDownList ID="ddlp" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ddlp_SelectedIndexChanged" >
         </asp:DropDownList>页
        </td>
        </tr>
        </table>
        </FooterTemplate>
        </asp:Repeater>
        &nbsp;</div>
    </form>
</body>
</html>

原文地址:https://www.cnblogs.com/xjyggd/p/1342337.html