to disable the entity lazy load, The ObjectContext instance has been disposed and can no longer be used for operations that require a connection.

 

The ObjectContext instance has been disposed and can no longer be used for operations that require a connection.

        public static List<Menu> Get(int appid)

        {

            List<Menu> menuList = null;

            using(wechatEntities ctx=new wechatEntities())

            {

                //disable lazyload

                ctx.Configuration.LazyLoadingEnabled = false;

                var tmp = from x in ctx.Menu where x.APPId==appid select x;

                menuList = tmp.ToList();

              

            }

            return menuList;

        }

        public static List<Menu> Get(int appid)

        {

            List<Menu> menuList = null;

            using(wechatEntities ctx=new wechatEntities())

            {

                //or using include

                var tmp = from x in ctx.Menu.Include("Menu1") where x.APPId == appid select x;

                menuList = tmp.ToList();

            }

            return menuList;

        }