遍历页面上所有控件

                foreach (Control c in Page.Controls)
                {
                    foreach (Control childc in c.Controls)
                    {
                        if (childc is LinkButton)
                        {
                            string pp = ((LinkButton)childc).Text;

                            //Response.Write(pp );
                            try
                            {
                                //((LinkButton)childc).Text = (int.Parse(((LinkButton)childc).Text) + 10).ToString();
                                int pp2 = int.Parse(((LinkButton)childc).Text);
                                if (pp2 > page_count)
                                {
                                    ((LinkButton)childc).Visible = false;
                                }
                            }
                            catch
                            {

                            }


                        }
                    }
                }