protected void Page_Load(object sender, EventArgs e) { if (Session["clg_id"] != null) { DataSet ds = bl.get_clg_by_clg_id(Convert.ToInt32(Session["clg_id"])); string clg_name = ds.Tables[0].Rows[0]["clg_name"] + " (" + ds.Tables[0].Rows[0]["clg_code"] + ")"; lbl_clg_name.Text = clg_name; } if (!IsPostBack) { if (Session["clg_ad_id"] == null) { Response.Redirect("clg_ad_login.aspx"); } else { Response.ClearHeaders(); Response.AddHeader("Cache-Control", "no-cache, no-store, max-age=0, must-revalidate"); Response.AddHeader("Pragma", "no-cache"); } } }