C#一个显示分页页码类

在ASP.NET开发中，常用到显示分页页码程序，以下是本人写的一个类，还未完善，但已可使用，

在显示时当前页码会自动据中。并可自定义分类链接代码

using System;

namespace bookshopcn.Service
{
///

1<summary>   
2/// Page 的摘要说明。   
3/// </summary>

public class Pager
{
public Pager(){}

protected static int _ButtonCount = 11;
protected static string _NextPage = "

1<a href="{0}">下一页</a>

";
protected static string _LinkUrl = "?page={0}";
protected static string _LastPage = "

1<a href="{0}">上一页</a>

";

///

1<summary>   
2/// 下一页链接   
3/// </summary>

public static string NextPage
{
get{return _NextPage;}
set{_NextPage = value;}
}

///

1<summary>   
2/// 上一页链接   
3/// </summary>

public static string LastPage
{
get{return _LastPage;}
set{_LastPage = value;}
}

///

1<summary>   
2/// 设置时为格式   
3/// </summary>

public static string NextPageText
{
get{return _NextPage;}
set{_NextPage = value;}
}

///

1<summary>   
2/// 显示按钮总数   
3/// </summary>

public static int BottonCount
{
get{return _ButtonCount;}
set{_ButtonCount = value;}
}
///

1<summary>   
2/// 返回页面的分页信息   
3/// </summary>

///

1<param name="_RecordCount"/>

记录总数
///

1<param name="_PageSize"/>

分页长度
///

1<param name="_PageIndex"/>

当前页
///

1<returns></returns>

public static string PageInfo(int _RecordCount,int _PageSize,int _PageIndex,string link)
{
string Firstpage = string.Format("

1<a href="+link+">[首页]</a>

","1");
string pageinfo = "共有{0}页 / 当前第{1}页 "+Firstpage;
string pagenext = "

1<a href="+link+"><b>{0}</b></a>

";
int PageCount = _RecordCount / _PageSize; // 页数合计
PageCount = PageCount <= 0?1:PageCount;
pageinfo = string.Format(pageinfo,PageCount.ToString(),_PageIndex.ToString());
string LastPage = string.Format("

1<a href="+link+">[末页]</a>

",PageCount);

int n = _ButtonCount/2; //左右显示个数
int StartPage = _PageIndex - n;
int EndPage = _PageIndex + n;
_LastPage = string.Format(_LastPage,link); //上一页
_LastPage = _PageIndex-1>1?string.Format(_LastPage,(_PageIndex-1).ToString()):string.Format(_NextPage,"1");

_NextPage = string.Format(_NextPage,link); //下一页
_NextPage = _PageIndex+1<=PageCount?string.Format(_NextPage,_PageIndex.ToString()):string.Format(_NextPage,PageCount.ToString());

if(EndPage > PageCount )
{
StartPage = (_PageIndex - n) - (EndPage-PageCount);
EndPage = PageCount ;
}
if(StartPage < 1 )
{
EndPage = _ButtonCount;
StartPage = 1 ;
}

for(int i = StartPage;i<=EndPage;i++)
{
if(i != _PageIndex)
pageinfo += string.Format(pagenext,i);
else
pageinfo += "

1<b>" + i.ToString() + "</b>

";
}
pageinfo += LastPage;
return pageinfo;
}
}
}