protected void btnSave_Click(object sender, EventArgs e) { List<RoleMenuInfo> roleMenuList = GetRoleMenuModel(); RoleMenuBll roleMenuBll = new RoleMenuBll(); roleMenuBll.DeleteRoleMenuByRoleId(RoleId); roleMenuBll.AddRoleMenu(roleMenuList); Response.Redirect("RoleList.aspx?token=" + Session["token"]); }