asp.net 长文章通过设定的行数分页

public string OutputByLine(string strContent)//通过设定的行数分页 
{ 
int pageSize = int.Parse(ConfigurationManager.AppSettings["pageSize"]);//每页显示行数从CONFIG文件中取出 
string lineBreak = ConfigurationManager.AppSettings["lineBreak"];//换行符从CONFIG文件中取出 
string lineBreakS = "<" + lineBreak + ">"; 
string lineBreakE = "</" +lineBreak+">"; 
strContent = strContent.Replace("\r\n", ""); 
string[] strLined = strContent.Split(new string[] {lineBreakS, lineBreakE }, StringSplitOptions.RemoveEmptyEntries);//以DIV为换行符 
int pageCount = strLined.Length / pageSize; 
int pageCountPlus = strLined.Length % pageSize == 0 ? 0 : 1;//非满页 
pageCount = pageCount + pageCountPlus;//总页数 
int currentPage = 1;//当前页码 
string displayText = null; 
if (Request.QueryString["pageIndex"]!=null) //获取翻页页码 
{ 
currentPage = Convert.ToInt32(Request.QueryString["pageIndex"].ToString()); 
} 
string pageInfo = "";//页数信息 
for (int i = 1; i < pageCount+1; i++) 
{ 

if (i==currentPage) 
{ 
pageInfo += " 第" + i + "页"; 
if (pageCount>1) 
{ 
pageInfo += " | "; 
} 
} 
else 
{ 
pageInfo += string.Format("<a href='newshow.aspx?pageIndex={0}' title='翻到第{0}页'>{0} | </a>",i); 
} 
} 
labPageNumber.Text = pageInfo; 
for (int i = (currentPage-1)*pageSize; i < currentPage*pageSize&&i<strLined.Length; i++) 
{ 
displayText += "<div>" + strLined[i] + "</div>"; 
} 
return displayText; 
}