Asp.net long article pagination

Public String nohtml (string htmlstring) // remove HTML tags
{
// Delete the script
Htmlstring = RegEx. Replace (htmlstring, @ "<SCRIPT [^>] *?>. *? </SCRIPT> "," ", regexoptions. ignorecase );
// Delete 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) // paging Function
{
String m_strret = "";
Int m_intpagesize = 2500 ;// Article Size per page
Int m_intcurrentpage = 1; // set the first page to the initial Page.
Int m_inttotalpage = 0;
Int m_intarticlelength = nohtml (p_strcontent). length; // Article Length
If (m_intpagesize <m_intarticlelength)
{// If the size of each page is greater than the length of the article, no paging is required.
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
{// Handle abnormal Address Bar values
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 to get the size of the current page
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 = "

";
for (INT I = 1; I <= m_inttotalpage; I ++)
{
If (I = m_intcurrentpage)
m_strpageinfo + = "" + I + "| ";
else
m_strpageinfo + = " "+ I +" | ";
}< SPAN class = "apple-converted-space">
/ /The output page number is displayed.
This. labpagenumber. TEXT = m_strpageinfo;

}< SPAN class = "apple-converted-space">
else
{
m_strret + = p_strcontent;
}< SPAN class = "apple-converted-space">
return m_strret;
}< SPAN class = "apple-converted-space">

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 (); // call this function
...

Controls used at the front-end page: <asp: Label id = "labpagenumber" font-size = "14px" runat = "server"> </ASP: Label>