小白写的一个ASP.NET分页控件，仅供娱乐

无聊，第一次写博客，自己动手写了一个分页控件。由于我是新手，有很多地方写得不够好，希望各位大牛多多指正。哈哈哈

 /// <summary>
     /// 分页控件
     /// </summary>
     public class Pager
     {
         /// <summary>
         /// 每页记录行数参数名称
         /// </summary>
         public string PageSizeName { get; set; }
         /// <summary>
         /// 分页当前索引页参数名称
         /// </summary>
         public string PageIndexName { get; set; }

         /// <summary>
         /// 每页记录行数
         /// </summary>
         public int PageSize { get; private set; }
         /// <summary>
         /// 分页当前索引页
         /// </summary>
         public int PageIndex { get; private set; }
         /// <summary>
         /// 总记录行数
         /// </summary>
         public int TotalCount { get; private set; }
         /// <summary>
         /// 分页摁钮最大显示数量
         /// </summary>
         public int MaxDisplayCount { get; set; }

         /// <summary>
         /// 是否显示上一页摁钮
         /// </summary>
         public bool ShowPrevPage { get; set; }
         /// <summary>
         /// 是否显示下一页摁钮
         /// </summary>
         public bool ShowNextPage { get; set; }
         /// <summary>
         /// 是否显示第一页摁钮
         /// </summary>
         public bool ShowFirstPage { get; set; }
         /// <summary>
         /// 是否显示最后一页摁钮
         /// </summary>
         public bool ShowLastPage { get; set; }

         /// <summary>
         /// 上一页摁钮显示文本
         /// </summary>
         public string PrevPageText { get; set; }
         /// <summary>
         /// 下一页摁钮显示文本
         /// </summary>
         public string NextPageText { get; set; }
         /// <summary>
         /// 第一页摁钮显示文本
         /// </summary>
         public string FirstPageText { get; set; }
         /// <summary>
         /// 最后一页摁钮显示文本
         /// </summary>
         public string LastPageText { get; set; }

         /// <summary>
         /// 上一页摁钮样式
         /// </summary>
         public string PrevPageClass { get; set; }
         /// <summary>
         /// 下一页摁钮样式
         /// </summary>
         public string NextPageClass { get; set; }
         /// <summary>
         /// 第一页摁钮样式
         /// </summary>
         public string FirstPageClass { get; set; }
         /// <summary>
         /// 最后一页摁钮样式
         /// </summary>
         public string LastPageClass { get; set; }

         /// <summary>
         /// 普通分页摁钮样式
         /// </summary>
         public string ANormalClass { get; set; }
         /// <summary>
         /// 选中分页摁钮样式
         /// </summary>
         public string ACurrentClass { get; set; }

         /// <summary>
         /// 分页控件构造函数
         /// </summary>
         /// <param name="PageIndex">当前选中页索引</param>
         /// <param name="PageSize">每页显示记录行数</param>
         /// <param name="TotalCount">总记录行数</param>
         /// <param name="UrlAndQuery">分页控件回传地址</param>
         public Pager(int PageIndex, int PageSize, int TotalCount)
         {
             this.PageSize = PageSize;
             this.PageIndex = PageIndex;
             this.TotalCount = TotalCount;
             this.MaxDisplayCount = ;

             this.PageSizeName = "PageSize";
             this.PageIndexName = "PageIndex";
             this.ACurrentClass = "current";

             this.ShowPrevPage = true;
             this.ShowNextPage = true;
             this.ShowFirstPage = true;
             this.ShowLastPage = true;

             this.PrevPageText = "<";
             this.NextPageText = ">";
             this.FirstPageText = "|<";
             this.LastPageText = ">|";
         }

         /// <summary>
         /// 生成分页控件Html代码段
         /// </summary>
         /// <returns></returns>
         public string GeneratePagerHtml()
         {
             // 解析Url，对分页索引键值进行特殊处理
             var request = HttpContext.Current.Request;
             var keys = request.QueryString.AllKeys;
             var paramList = new List<string>();
             if (keys.HasItem())
             {
                 foreach (var key in keys)
                 {
                     if (key == PageIndexName)
                     {
                         continue;
                     }
                     var value = HttpUtility.UrlEncode(request.QueryString[key]);
                     paramList.Add(string.Format("{0}={1}", key, value));
                 }
             }
             paramList.Add(string.Format("{0}=", PageIndexName));
             var query = paramList.Join("&");

             // 对分页摁钮显示的数量和范围做处理
             var PageCount = (int)Math.Ceiling((double)TotalCount / PageSize);
             var startPage = PageIndex - MaxDisplayCount /  + ;
             startPage = startPage <  ?  : startPage;
             var endPage = startPage + MaxDisplayCount - ;
             endPage = endPage > PageCount ? PageCount : endPage;
             startPage = endPage - MaxDisplayCount + ;
             startPage = startPage <  ?  : startPage;

             var a = "<a href=\"?{0}{1}\" class=\"{2}\">{3}</a>";
             var aString = new StringBuilder();
             for (var nowPage = startPage; nowPage <= endPage; ++nowPage)
             {
                 var nowAClass = nowPage == PageIndex ? ACurrentClass : ANormalClass;
                 aString.AppendFormat(a, query, nowPage, nowAClass, nowPage);
             }

             // 对上一页摁钮做处理
             string PrevPage = null;
             if (ShowPrevPage)
             {
                 var PrevPageIndex = PageIndex - ;
                 PrevPageIndex = PrevPageIndex <  ?  : PrevPageIndex;
                 PrevPage = string.Format(a, query, PrevPageIndex, PrevPageClass, PrevPageText);
             }

             // 对下一页摁钮做处理
             string NextPage = null;
             if (ShowNextPage)
             {
                 var NextPageIndex = PageIndex + ;
                 NextPageIndex = NextPageIndex > PageCount ? PageCount : NextPageIndex;
                 NextPage = string.Format(a, query, NextPageIndex, NextPageClass, NextPageText);
             }

             // 对第一页摁钮做处理
             string FirstPage = null;
             if (ShowFirstPage)
             {
                 FirstPage = string.Format(a, query, , FirstPageClass, FirstPageText);
             }

             // 对最后一页摁钮做处理
             string LastPage = null;
             if (ShowLastPage)
             {
                 LastPage = string.Format(a, query, PageCount, LastPageClass, LastPageText);
             }

             // 分页控件Html代码段
             var htmlTemp = "<div>{0}{1}{2}{3}{4}</div><div>第 {5}/{6} 页，{7} 条/页，共 {8} 条记录</div>";
             var PagerHtml = string.Format(htmlTemp, FirstPage, PrevPage, aString, NextPage, LastPage, PageIndex, PageCount, PageSize, TotalCount);

             return PagerHtml;
         }
     }

Default.aspx.cs:

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Web;
 using System.Web.UI;
 using System.Web.UI.WebControls;
 using AspNetPager;

 namespace Test5
 {
     public partial class _Default : System.Web.UI.Page
     {
         public int PageIndex
         {
             get
             {
                 var pageIndex = ;
                 try
                 {
                     pageIndex = Convert.ToInt32(Request.QueryString["PageIndex"].ToString());
                 }
                 catch { }
                 return pageIndex;
             }
         }

         public int PageSize
         {
             get
             {
                 var PageSize = ;
                 try
                 {
                     PageSize = Convert.ToInt32(Request.QueryString["PageSize"].ToString());
                 }
                 catch { }
                 return PageSize;
             }
         }

         protected void Page_Load(object sender, EventArgs e)
         {
             var pager = new Pager(PageIndex, PageSize, );
             this.Pager.InnerHtml = pager.CeneratePagerHtml();
         }
     }
 }

Default.aspx:

 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Test5._Default" %>

 <!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>
     <style type="text/css">
         .pager a
         {
             color: Blue;
             width: 40px;
             height: 25px;
             border: 1px solid #CCC;
             margin: 0px 5px;
             text-align: center;
             line-height: 25px;
             vertical-align: middle;
             text-decoration: none;
             display: inline-block;
         }
         .pager a:hover, .pager a.current
         {
             background-color: #555;
             color: White;
         }
     </style>
 </head>
 <body>
     <form id="form1" runat="server">
     <div id="Pager" runat="server" class="pager">
     </div>
     </form>
 </body>
 </html>