how to save on click on a hyperlink

protected void btnLogin_Click(object sender, EventArgs e)
       {
           #region Remember Me
           if (check.Checked == true)
           {
               Response.Cookies["UName"].Value = txtUserName.Text;
               Response.Cookies["PWD"].Value = txtPassword.Text;
               Response.Cookies["UName"].Expires = DateTime.Now.AddMonths(2);
               Response.Cookies["PWD"].Expires = DateTime.Now.AddMonths(2);
           }
           else
           {
               Response.Cookies["UName"].Expires = DateTime.Now.AddMonths(-1);
               Response.Cookies["PWD"].Expires = DateTime.Now.AddMonths(-1);
           }
           #endregion

           this.userManager = new UserManager();
           this.roleManager = new RoleManager();
           this.moduleManager = new ModuleManager();
           List<Module> moduleListObject;
           List<PMSBL.Entity.User> userListObj;
           PMSBL.Entity.Role roleObj;
           Module moduleObj;
           List<KeyValuePair<string, object>> list;
           try
           {
               string encstr = EncryptDecryptManager.Encrypt(txtPassword.Text.Trim(), true);
               userListObj = userManager.UserGetByIdPassword(txtUserName.Text.Trim(), encstr);
               PMSBL.Entity.User userObj = null;

               if (userListObj != null)
               {
                   if (userListObj.Count == 1)
                   {
                       Session[SessionKeys.UserSessionObject] = new SessionObject();
                       SessionObject.Sess(Session).SiteUser = userListObj.FirstOrDefault();

                       //get role by roleid
                       list = new List<KeyValuePair<string, object>>();
                       list.Add(new KeyValuePair<string, object>("ID", SessionObject.Sess(Session).SiteUser.RoleId));
                       roleObj = roleManager.RolesGet(list).FirstOrDefault();
                       FormsAuthentication.SetAuthCookie(SessionObject.Sess(Session).SiteUser.Email, false);
                       //SecurityManager.AddCookie(SessionObject.Sess(Session).SiteUser.Email, SessionObject.Sess(Session).SiteUser.RoleName);
                       //get all assigned module to this role
                       list = new List<KeyValuePair<string, object>>();
                       list.Add(new KeyValuePair<string, object>("RoleId", SessionObject.Sess(Session).SiteUser.RoleId));
                       moduleListObject = moduleManager.ModuleGet(list);
                       if (moduleListObject != null)
                           SessionObject.Sess(Session).UserModules = moduleListObject;

                       //get landing page by roleobj
                       if (roleObj != null)
                       {
                           string removeAbbreviation = roleObj.LandingPage;
                           if (removeAbbreviation.Contains('('))
                               removeAbbreviation = removeAbbreviation.Substring(0, removeAbbreviation.IndexOf('(') - 1);

                           list = new List<KeyValuePair<string, object>>();
                           list.Add(new KeyValuePair<string, object>("ModuleName", removeAbbreviation.Trim()));
                           list.Add(new KeyValuePair<string, object>("RoleId", roleObj.ID));

                           List<Module> moduleList = moduleManager.ModuleGet(list);
                           if (moduleList != null)
                           {
                               moduleObj = moduleList.FirstOrDefault();
                               if (moduleObj != null)
                               {
                                   if (moduleObj.ModuleUrl != "")
                                   {
                                       if (Common.IsRouting)
                                           Response.Redirect("/" + moduleObj.RouteUrl);
                                       else
                                           Response.Redirect(moduleObj.ModuleUrl);
                                   }
                                   else
                                       Response.Redirect("~/Default.aspx");
                               }
                           }
                           else
                               Response.Redirect("~/Default.aspx");
                       }
                       else
                           Response.Redirect("~/Default.aspx");
                   }
                   else
                       Response.Redirect("~/AccessDenied.aspx");
               }
               else
               {
                   Response.Redirect("~/AccessDenied.aspx");
               }
           }
           catch (Exception ex)
           {

               throw;
           }
       }