ASP. NET MVC Session expiration verification jump to login page

First, inherit the Checklogincontroller class on the controller to check the login

2, the Checklogincontroller class of the wording

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingsystem.web;usingSYSTEM.WEB.MVC;namespacetaskmanagement.controllers{ Public classChecklogincontroller:controller {/// <summary>        ///Implementing a unified login validation check/// </summary>        /// <param name= "Filtercontext" ></param>        protected Override voidonactionexecuting (ActionExecutingContext filtercontext) {//if the session value is not set then jump to the login page//Implementing a login Check            if(session["UserInfo"] ==NULL)            {                //Redirectresult tourl = new Redirectresult ("/login/userlogin"); //filtercontext.result = Tourl;Contentresult Cr =NewContentresult {Content=string. Format ("<script type= ' text/javascript ' >top.location.href= ' {0} ';</script>","/login/userlogin")                }; Filtercontext.result=Cr; }        }    }}

ASP. NET MVC Session expiration verification jump to login page