100分散：再分享一个ASP.NET长文章分页显示函数，先到先得分

主要说明下：

1.该函数非本人原创，而是在此基础大力修改，因为原的，分页到2、3页就不能正确出来内容了；减少一些不必要的步骤；
2.CSS样式自己定；
3.个人感觉性能还是很不错的，http://www.dzswej.com/news_id692.html 可以试下


public string NoHTML(string Htmlstring) //去除HTML标记
{
//删除脚本
Htmlstring = Regex.Replace(Htmlstring, @"<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase);
//删除HTML
Htmlstring = Regex.Replace(Htmlstring, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"-->", "", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"<!--.*", "", RegexOptions.IgnoreCase);

Htmlstring = Regex.Replace(Htmlstring, @"&(quot|#34);", "\"", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"&(amp|#38);", "&", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"&(lt|#60);", "<", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"&(gt|#62);", ">", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"&(iexcl|#161);", "\xa1", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"&(cent|#162);", "\xa2", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"&(pound|#163);", "\xa3", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"&(copy|#169);", "\xa9", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"&#(\d+);", "", RegexOptions.IgnoreCase);

Htmlstring.Replace("<", "");
Htmlstring.Replace(">", "");
Htmlstring.Replace("\r\n", "");
Htmlstring = HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();

return Htmlstring;
}
public string OutputBySize(string p_strContent)//分页函数
{
string m_strRet = "";
int m_intPageSize = 2500;//文章每页大小
int m_intCurrentPage = 1;//设置第一页为初始页
int m_intTotalPage = 0;
int m_intArticlelength = NoHTML(p_strContent).Length;//文章长度
if (m_intPageSize < m_intArticlelength)
{//如果每页大小大于文章长度时就不用分页了
if (m_intArticlelength % m_intPageSize == 0)
{//set total pages count
m_intTotalPage = m_intArticlelength / m_intPageSize;
}
else
{//if the totalsize
m_intTotalPage = m_intArticlelength / m_intPageSize + 1;
}
if (Request.QueryString["pages"] != null)
{//set Current page number
try
{//处理不正常的地址栏的值
m_intCurrentPage = Convert.ToInt32(Request.QueryString["pages"]);
if (m_intCurrentPage > m_intTotalPage)

m_intCurrentPage = m_intTotalPage;

}

catch
{
m_intCurrentPage = m_intCurrentPage;
}
}
//set the page content 设置获取当前页的大小
if (m_intCurrentPage < m_intTotalPage)
{
m_intPageSize = m_intCurrentPage < m_intTotalPage ? m_intPageSize : (m_intArticlelength - m_intPageSize * (m_intCurrentPage - 1));
m_strRet += p_strContent.Substring(m_intPageSize * (m_intCurrentPage - 1), m_intPageSize);
}
else if(m_intCurrentPage == m_intTotalPage )
{
int mm_intPageSize=m_intArticlelength - m_intPageSize * (m_intCurrentPage - 1);
m_strRet += p_strContent.Substring(m_intArticlelength - mm_intPageSize);
}

string m_strPageInfo = "<p></p>";
for (int i = 1; i <= m_intTotalPage; i++)
{
if (i == m_intCurrentPage)
m_strPageInfo += "第" + i + "页 | ";
else
m_strPageInfo += "<a href=news_id" + Request.QueryString["wzid"] + "_pages" + i + ".html>" + i + "</a>｜";
}
//输出显示各个页码
this.labPageNumber.Text = m_strPageInfo;

}
else
{
m_strRet += p_strContent;
}
return m_strRet;
}

protected void Page_Load(object sender, EventArgs e)
{
SqlDataReader dr = shuju.duquzt(Int32.Parse(Request.QueryString["wzid"]));
if (dr == null) return;
if (dr.Read())
{
this.labContent.Text = OutputBySize(dr["wzcontent"].ToString());//调用该函数
...


前台页面分页处使用的控件：<asp:Label ID="labPageNumber" Font-Size="14px" runat="server"></asp:Label>