.net 新闻内容分页
html:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="shownews.aspx.cs" Inherits="shownews" %>
<%@ Register Src="headControl.ascx" TagName="headControl" TagPrefix="uc1" %>
<%@ Register Src="buttonControl.ascx" TagName="buttonControl" TagPrefix="uc2" %>
<!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><%=title %></title>
<link href="StyleSheet.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div>
<table align="center" border="0" cellpadding="0" cellspacing="0" style="width: 1000px">
<tr>
<td >
<uc1:headControl ID="HeadControl1" runat="server" /> </td>
</tr>
<tr>
<td class="newslist" >
您现在的位置><a href="index.aspx" target="_self">首页</a>>
<asp:HyperLink ID="hl_link"
runat="server">[HyperLink1]</asp:HyperLink></td>
</tr>
<tr><td>
<table border="0" cellpadding="0" cellspacing="0" style="width: 100%">
<tr>
<td valign="top" class="newbakcolor">
<table border="0" cellpadding="0" cellspacing="0" style="width: 100%">
<tr>
<td class="newtitle" >
<asp:Label ID="lb_title" runat="server"></asp:Label></td>
</tr>
<tr>
<td align="center" class="newinfo" >
<asp:Label ID="lb_newinfo" runat="server"></asp:Label></td>
</tr>
<tr>
<td class="newcontent" >
<div id="newcontent" runat="server">
</div></td>
</tr>
<tr>
<td class="newcontent">
<asp:Panel ID="Panel1" runat="server" Visible="False" Width="100%"><strong><div id="pageinfo" runat="server" align=center> </div></strong>
</asp:Panel>
</td>
</tr>
</table>
</td>
<td width="300" align="right" valign="top">
<table border="0" cellpadding="0" cellspacing="0" class="newtdcolor" style="width: 98%">
<tr>
<td align="left" class="newlistbg" >最近更新 </td>
</tr>
<tr>
<td align=left >
<asp:DataList ID="DataList1" runat="server" Width="100%">
<ItemTemplate>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr valign="middle">
<td width="7" height="24" align="left">
<img src="images/index-dot1.jpg" border="0"></td>
<td><a href='shownews.aspx?id=<%#DataBinder.Eval(Container.DataItem,"Ns_Id")%>' title='<%#DataBinder.Eval(Container.DataItem,"Ns_Subject") %>'><%#DataBinder.Eval(Container.DataItem, "Ns_Subject")%></a></td>
</table>
</ItemTemplate>
</asp:DataList></td>
</tr>
</table>
</td>
</tr>
</table>
</td></tr>
<tr>
<td><uc2:buttonControl ID="ButtonControl1" runat="server" /></td>
</tr>
</table>
</div>
</form>
</body>
</html>
c#:
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.Data.SqlClient;
public partial class shownews : System.Web.UI.Page
{
public string title;
protected void Page_Load(object sender, EventArgs e)
{
int page = 1;//初始页面代码，一打开显示第一页内容
string mypage;
mypage = Request.QueryString["page"];
if (mypage != null) //第一次的时候没有加载分页因此得到的结果为NULL,因此要判断一下
{
page = Convert.ToInt32(mypage);
}
if (!IsPostBack)
{
if (Request.QueryString["id"] != null)
{
string id, str;
id = Request.QueryString["id"].Trim();
str = "update news set Ns_Click=Ns_Click+1 where Ns_Id=" + id;
db.executesql(str, "");
str = "select * from news where Ns_Id=" + id;
SqlDataReader sdr = db.getsdr(str);
if (sdr.Read())
{
//this.lb_content.Text = sdr["Ns_Content"].ToString();
this.lb_title.Text = sdr["Ns_Subject"].ToString();
title = sdr["ns_subject"].ToString().Trim() + "_" + sdr["Ns_type"].ToString();
this.hl_link.Text = sdr["Ns_type"].ToString();
db.binddatalist("select top 8 * from news where Ns_type='" + sdr["Ns_type"].ToString().Trim() + "' order by ns_id desc", this.DataList1, "ns_id");
this.hl_link.NavigateUrl = "newslist.aspx?type=" + sdr["Ns_type"].ToString().Trim();
this.lb_newinfo.Text = "作者：" + sdr["Ns_Author"].ToString().Trim() + " 点击数：" + sdr["Ns_Click"].ToString().Trim() + " 更新时间：" + sdr["Ns_date"].ToString();
//this.newcontent.InnerHtml = "kfdfsdasddfdskjdfdkfjdfsj";
//this.pageinfo.InnerHtml = "kdkfjdkf";
string content;
content = sdr["Ns_Content"].ToString();
string[] strContent = null;
strContent = filesplit(content);//调用filesplit方法取得数组形式的内容
if (strContent[page - 1] != null)
{
this.newcontent.InnerHtml = strContent[page - 1].ToString();//显示内容
}
else
{
this.newcontent.InnerHtml = "无内容";
}
string adpager = string.Empty;
int npage = 0;
for (int i = 0; i < strContent.Length; i++)
{ //循环数组取得内容分页数
if (strContent[i] != null)
{
npage = i + 1;
adpager += "<a href=shownews.aspx?page=" + npage + "&id=" + Request.QueryString["id"].Trim() + ">"+" "+ npage+" "+ "</a>";
}
}
if (npage > 1)
{
this.Panel1.Visible = true;
}
this.pageinfo.InnerHtml = "分页信息"+adpager.ToString();//显示分页
}
db.closeall(null, null, sdr);
}
else
{
db.msgback("参数输入错误!", "index.aspx");
}
}
}
public string[] filesplit(string contents)
{
int fileindex = 0;
string[] splitfile = new string[10];
while (contents.Length > 10 && fileindex < 9)
{
string tt = @"<div style=""page-break-after: always""><span style=""display: none""> </span></div>";
if (contents.IndexOf(tt, 10) < 0) break;
splitfile[fileindex] = contents.Substring(0, contents.IndexOf(tt, 200));//这里注意这里的10是字数，我是为了测试而采用10，你可以根据你的新闻页面再设置，我想最少也得200字吧。呵呵。。。。。。
contents = contents.Remove(0, splitfile[fileindex].Length);
fileindex++;
}
splitfile[fileindex] = contents;
return splitfile;
}
}
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/wrzme/archive/2008/12/08/3475133.aspx