asp.net url分页类代码
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2024-03-09 13:18:23
复制代码 代码如下: using system; using system.data; using system.configuration; using system.w...
复制代码 代码如下:
using system;
using system.data;
using system.configuration;
using system.web;
using system.web.security;
using system.web.ui;
using system.web.ui.htmlcontrols;
using system.web.ui.webcontrols;
using system.web.ui.webcontrols.webparts;
using system.text;
/// <summary>
///cutpage 的摘要说明
/// </summary>
public class cutpage
{
public cutpage()
{
//
//todo: 在此处添加构造函数逻辑
//
}
#region 私有成员变量
private string url; //分页时所用到的页面地址
private int count; //数据总条数
private int pagecount; //总页数
private int curretpage; //当前页数
private string id; //接收传递参数的值
private int startid; //数据循环的开始值
private int endid; //数据结束的值
private datatable dt; //数据dt值
private int datacount; //每页现实的数据条数
private string cssurl; //cssurl地址
#endregion
#region 公共变量
/// <summary>
/// url地址
/// </summary>
public string url
{
get
{
return url;
}
set
{
this.url = value;
}
}
/// <summary>
/// 数据总条数
/// </summary>
public int count
{
get
{
return count;
}
set
{
this.count = value;
}
}
/// <summary>
/// 数据总页数(该字段只读)
/// </summary>
public int pagecount
{
get
{
if (count % datacount == 0)
{
return convert.toint32(count / datacount);
}
else
{
return convert.toint32(count / datacount) + 1;
}
}
}
/// <summary>
/// 分页样式表url
/// </summary>
public string cssurl
{
get { return cssurl; }
set { this.cssurl = value; }
}
/// <summary>
/// 当前页数
/// </summary>
public int curretpage
{
get { return this.curretpage; }
set { this.curretpage = value; }
}
/// <summary>
/// 传递的参数值
/// </summary>
public string id
{
get { return this.id; }
set { this.id = value; }
}
/// <summary>
/// 数据开始值(该字段只读)
/// </summary>
public int startid
{
get
{
if (curretpage == 1)
{
return 0;
}
else
{
return (curretpage-1) * datacount;
}
}
}
/// <summary>
/// 数据结束的值(该字段只读)
/// </summary>
public int endid
{
get
{
if (curretpage == pagecount)
{
return this.dt.rows.count;
}
else
{
return (curretpage) * datacount;
}
}
}
/// <summary>
/// 用于分页的数据源
/// </summary>
public datatable dt
{
get { return this.dt; }
set { this.dt = value; }
}
/// <summary>
/// 每页显示的数据条数
/// </summary>
public int datacount
{
get { return this.datacount; }
set { this.datacount = value; }
}
#endregion
/// <summary>
/// 分页方法（生成分页代码的过程）
/// </summary>
/// <param name="pageinfo">literal控件 </param>
public void cutpagemethod(literal pt)
{
stringbuilder orderinfosb = new stringbuilder();
orderinfosb.append("<span style=\"width:1000px\"><tr id=\"pagination-digg\"><th style=\"width:180px\">");
orderinfosb.append("当前" + curretpage + "/" + pagecount + "页 共" + count + "条数据");
orderinfosb.append("</th><th class=\"previous-off\" style=\"align:right\">");
if (convert.toint32(this.id) == 1)
{
orderinfosb.append("<a href='#' disabled='flase'>首页</a>");
}
else
{
orderinfosb.append("<a href='" + url + "?id=1'>首页</a>");
}
orderinfosb.append("</th><th>");
if (convert.toint32(this.id )== 1 || this.id==null || this.id==string.empty)
{
orderinfosb.append("<a href='#'disabled='flase'>上一页</a>");
}
else
{
orderinfosb.append("<a href='" + url + "?id="+convert.tostring(curretpage-1)+"'>上一页</a>");
}
if (convert.toint32(this.id) < pagecount)
{
orderinfosb.append("<a href='" + url + "?id=" +convert.tostring(curretpage + 1) + "'>下一页</a>");
}
else
{
orderinfosb.append("<a href='#'disabled='flase'>下一页</a>");
}
orderinfosb.append("</th><th>");
if (convert.toint32(this.id) == pagecount)
{
orderinfosb.append("<a href='#' disabled='flase'>末页</a>");
}
else
{
orderinfosb.append("<a href='" + url + "?id="+convert.tostring(pagecount)+"'>末页</a>");
}
orderinfosb.append("</th></tr></span>");
pt.text = orderinfosb.tostring();
}
}
样式大家可以自己添，老实说没什么技术含量。
前台代码：
代码
复制代码 代码如下:
<%@ page language="c#" autoeventwireup="true" codefile="cutpagetest.aspx.cs" inherits="cutpagetest" enableviewstate="false"%>
<!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" id="had">
<%--<link href="style/base.css" type="text/css" />--%>
<title>无标题页</title>
<style type="text/css">
a
{
text-decoration: none;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:literal id="liinfo" runat="server"></asp:literal>
<asp:literal id="lt" runat="server"></asp:literal>
<a href="#"
</div>
</form>
</body>
</html>
后台代码：
代码
复制代码 代码如下:
using system;
using system.collections;
using system.configuration;
using system.data;
using system.web;
using system.web.security;
using system.web.ui;
using system.web.ui.htmlcontrols;
using system.web.ui.webcontrols;
using system.web.ui.webcontrols.webparts;
public partial class cutpagetest : system.web.ui.page
{
cutpage cp=new cutpage();
string id;
protected void page_load(object sender, eventargs e)
{
showpagedata(dbhelpersql.queryredt("select * from test",globalconfig.tcclinedbhelper), "cutpagetest.aspx");
//response.write();
}
public void showpagedata(datatable dt,string url)
{
//cp.cssurl = "style/pagecut.css";
id = request.querystring["id"];
cp.id = id;
cp.dt = dt;
had.innerhtml = "<link href=\"css/text\" src='" + cp.cssurl + "'/>";
if (id == null || id == "")
{
cp.curretpage = 1;
}
else
{
cp.curretpage = convert.toint32(id);
}
cp.url = url;
cp.datacount = 2;
cp.count = cp.dt.rows.count;
cp.cutpagemethod(lt);
for (int i = cp.startid; i < cp.endid; i++)
{
liinfo.text += cp.dt.rows[i][1].tostring() + "<br/>";
}
}
}