<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="Pageing1.ascx.cs" Inherits="EB.Mall.Services.UI.Web.Pageing1" %>
<style type="text/css">
ul {
list-style:none;
}
ul li
{
float:left; /* 向左漂移，将竖排变为横排 */
}
</style>
<div id="divMain" runat="server" style="text-align:center;">
<input type="hidden" runat="server" id="hidPageIndex" value="0"/>
<input type="hidden" runat="server" id="hidPageCount" value="0"/>
<input type="hidden" runat="server" id="hidToPage" value="0"/>
<asp:Repeater ID="rptPageing" runat="server" OnItemDataBound="rptPageing_ItemDataBound">
<HeaderTemplate>
<ul>
<li>
<asp:LinkButton ID="linkFirst" CommandArgument="f" OnCommand="linkFirst_Command" runat="server">首页</asp:LinkButton>
</li>
<li>
<asp:LinkButton ID="linkPrev" CommandArgument="p" OnCommand="linkFirst_Command" runat="server">上一页</asp:LinkButton>
</li>
</HeaderTemplate>
<ItemTemplate>
<li>
<asp:LinkButton ID="linkItem" CommandArgument="i" OnCommand="linkFirst_Command" CommandName="" runat="server"><%#Container.DataItem %></asp:LinkButton>
</li>
</ItemTemplate>
<FooterTemplate>
<li>
<asp:LinkButton ID="linkNext" CommandArgument="n" OnCommand="linkFirst_Command" runat="server">下一页</asp:LinkButton>
</li>
<li>
<asp:LinkButton ID="linkLast" CommandArgument="l" OnCommand="linkFirst_Command" runat="server">末页</asp:LinkButton>
</li>
<li>
<asp:Label ID="lblStatistic" runat="server"></asp:Label>
</li>
<li>
转到第
<asp:TextBox ID="txtToPage" Width="25" Height="12" runat="server"></asp:TextBox>页
<asp:Button ID="btnToPage" runat="server" Text="确定" OnClick="btnToPage_Click" OnClientClick="return onClientClick(this);" />
</li>
</ul>
</FooterTemplate>
</asp:Repeater>
</div>
<script type="text/javascript">
function onClientClick(obj)
{
var toPageIndex= obj.previousElementSibling.value;
var toPageIndex
try
{
var toPageIndex=parseInt(obj.previousElementSibling.value);
var totalCount=parseInt(document.getElementById("<%=hidPageCount.ClientID%>").value );
if(!toPageIndex||toPageIndex<=0||toPageIndex>totalCount)
{
alert("页码输入错误！");
return false;
}
}
catch(e){}
document.getElementById("<%=hidToPage.ClientID%>").value = obj.previousElementSibling.value;
return true;
}
</script>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace EB.Mall.Services.UI.Web
{
public partial class Pageing1 : System.Web.UI.UserControl
{
public class PageingEventArgs
{
public PageingEventArgs(int pageIndex)
{
this.pageIndex = pageIndex;
}
private int pageIndex = 0;
public int PageIndex
{
get
{
return this.pageIndex;
}
}
}
public delegate void PageingHandler(object obj, PageingEventArgs e, out int pageCount);
public event PageingHandler OnPageing;
private int showPageCount = 5;
protected void Page_Load(object sender, EventArgs e)
{
if(!IsPostBack&&this.loadShow)
{
GoFirstPage();
}
}
public void GoFirstPage()
{
PageingMethod(1);
}
public void GoPage(int pageIndex)
{
PageingMethod(pageIndex);
}
private void PageingMethod(int pageIndex)
{
int pageCount = 0;
if (OnPageing != null)
{
OnPageing(this, new PageingEventArgs(pageIndex), out pageCount);
if (pageCount <= 0)
{
this.divMain.InnerText = "暂无数据";
}
else
{
this.PageIndex = pageIndex;
int bs = this.PageIndex % showPageCount;
int startIndex = 0;
if (bs == 0)
{
startIndex = this.PageIndex - 4;
if (startIndex <= 0)
{
startIndex = 1;
}
}
else
{
startIndex = (this.PageIndex / showPageCount) * showPageCount + 1;
}
int endIndex = startIndex + 4;
if (endIndex > pageCount)
{
endIndex = pageCount;
}
List<int> itemList = new List<int>();
for (int i = startIndex; i <= endIndex; i++)
{
itemList.Add(i);
}
this.PageCount = pageCount;
this.rptPageing.DataSource = itemList;
this.rptPageing.DataBind();
}
}
}
private bool loadShow = false;
/// <summary>
/// 是否页面首次进入不点查询就要显示数据
/// </summary>
public bool LoadShow
{
set
{
loadShow = value;
}
}
/// <summary>
/// 当前页
/// </summary>
public int PageIndex
{
get
{
int pageIndex = 0;
int.TryParse(this.hidPageIndex.Value, out pageIndex);
return pageIndex;
}
set
{
this.hidPageIndex.Value = value.ToString();
}
}
/// <summary>
/// 页数
/// </summary>
public int PageCount
{
get
{
int pagecount = 0;
int.TryParse(this.hidPageCount.Value, out pagecount);
return pagecount;
}
set
{
this.hidPageCount.Value = value.ToString();
}
}
protected void rptPageing_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Header)
{
LinkButton linkFirst = e.Item.FindControl("linkFirst") as LinkButton;
LinkButton linkPrev = e.Item.FindControl("linkPrev") as LinkButton;
if (PageIndex == 1)
{
linkFirst.Enabled = false;
linkPrev.Enabled = false;
}
else
{
linkFirst.Enabled = true;
linkPrev.Enabled = true;
}
}
else if (e.Item.ItemType == ListItemType.Footer)
{
LinkButton linkLast = e.Item.FindControl("linkLast") as LinkButton;
LinkButton linkNext = e.Item.FindControl("linkNext") as LinkButton;
if (PageIndex == PageCount)
{
linkLast.Enabled = false;
linkNext.Enabled = false;
}
else
{
linkLast.Enabled = true;
linkNext.Enabled = true;
}
Label lblStatistic = e.Item.FindControl("lblStatistic") as Label;
lblStatistic.Text = string.Format("共{0}页",PageCount);
}
else if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
LinkButton linkItem = e.Item.FindControl("linkItem") as LinkButton;
linkItem.Text = e.Item.DataItem.ToString();
if ((int)e.Item.DataItem == PageIndex)
{
linkItem.Enabled = false;
}
else
{
linkItem.Enabled = true;
}
}
}
protected void linkFirst_Command(object sender, CommandEventArgs e)
{
LinkButton linkb = sender as LinkButton;
string type = e.CommandArgument.ToString();
switch (type)
{
case "f":
PageingMethod(1);
break;
case "p":
PageingMethod(this.PageIndex - 1);
break;
case "n":
PageingMethod(this.PageIndex + 1);
break;
case "l":
PageingMethod(this.PageCount);
break;
case "i":
PageingMethod(Convert.ToInt32(linkb.Text));
break;
}
}
protected void btnToPage_Click(object sender, EventArgs e)
{
if(this.rptPageing.Items.Count<=0)
{
return;
}
int pIndex=0;
int.TryParse(this.hidToPage.Value,out pIndex);
GoPage(pIndex);
}
}
}
下面是调用方法：
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="EB.Mall.Services.UI.Web.WebForm2" %>
<%@ Register Src="~/Pageing1.ascx" TagPrefix="uc1" TagName="Pageing1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="查询" OnClick="Button1_Click" />
<uc1:Pageing1 runat="server" id="Pageing1" OnOnPageing="Pageing1_OnPageing" LoadShow="true" />
</div>
</form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace EB.Mall.Services.UI.Web
{
public partial class WebForm2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Pageing1_OnPageing(object obj, Pageing1.PageingEventArgs e, out int pageCount)
{
int pageIndex = e.PageIndex;
//分解页面获取数据
pageCount = 20;
}
protected void Button1_Click(object sender, EventArgs e)
{
//不用获取数据，只写这一句就行
this.Pageing1.GoFirstPage();
}
}
}
