public void Page_Load(object sender, EventArgs e)
{
int pageSize = 10;
int beginRowNumber;
int endRowNumber;
int articleNumber = userReg.CountNumber();
string request = Request.QueryString["pageid"];
string link = "<a href=\"Index.aspx?pageid=";
PageDevision pageDev = new PageDevision();
PageDevisionhtml = pageDev.DevidePage(articleNumber, pageSize, request, link, out beginRowNumber, out endRowNumber);
ShowArtList(beginRowNumber, endRowNumber);
}