Ajax requests. The submission of data, the passing of parameters. FormCollection

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<%@ page language= "C #" inherits= "system.web.mvc.viewpage<dynamic>"%>
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Controller
Using system;using system.collections.generic;using system.linq;using system.web;using System.Web.Mvc;using System.text;namespace Bigtree. controllers{using Bigtree.    Models; Using Bigtree.    Model;    Using Bigtree.lib;    Using System.Net.Mail;    Using System.Text.RegularExpressions;        public class Logincontroller:controller {public ActionResult Index () {return View (); }///<summary>///check-in//</summary>//<param name= "F" ></param&gt        ;             <returns></returns> [HttpPost] public actionresult checklogininfo (formcollection f) { try {//post:user, pwd, remembered string user = f["user"].                Trim (); string pwd = f["pwd"].                Trim (); String remembered = f["remembered"].                Trim ();                Jsonresult res = new Jsonresult (); if (string. IsNullOrEmpty (user) | | String.IsNullOrEmpty (PWD)) {Res.                Data = new {status = 0}; }//md5 encrypted password pwd = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFi Le (PWD, "MD5").                ToLower ();                Read from database Common.webuser account = Memberinfoservice.getmemberidforcheck (user, PWD); if (account = = null) {Res.                Data = new {status = 0}; } else {//{status:1 (Success)/0 (fail),} res.                    Data = new {status = 1};                    TODO: Login success, record login user information save login status funsession.setsession (account); Whether to remember login if (remembered = = "on") {HttpCookie cookie = new Ht Tpcookie ("Logininfo", account.                        Id.tostring ()); 3-Day Valid cookie.               Expires.adddays (3);         RESPONSE.COOKIES.ADD (cookie); } else {HttpCookie cookie = new HttpCookie (account. Id.tostring (), account.                        Id.tostring ()); Make the cookie invalid.                        Expires.addyears (-1);                    RESPONSE.COOKIES.ADD (cookie);            }} return res; } catch (Exception ex) {throw ex.            innerexception; }        }    }}


Ajax requests. The submission of data, the passing of parameters. FormCollection