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public class t3 : System.Web.UI.Page
        {  
                private string str;//×Ö·û
                private int strl;//×Ö·û×ܳ¤¶È
                private int pagesize;//ÿҳÏÔʾµÄ×Ö·ûÊý
                private void Page_Load(object sender, System.EventArgs e)
                {
                        // ÔÚ´Ë´¦·ÅÖÃÓû§´úÂëÒÔ³õʼ»¯Ò³Ãæ  
                        str="1234567891234567898522555";
                        pagesize=3;
                        strl=str.Length;
                        Response.Write(strl);
                        substr();
                }
         private void substr()
                {
  


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