Ajax mailbox, user name uniqueness verification instance code, ajax instance

Ajax mailbox, user name uniqueness verification instance code, ajax instance

If you don't talk much about it, paste the Code directly. The specific code is as follows:

<Script type = "text/javascript"> $ (function () {$ ("# txtEmail "). blur (function () {$. ajax ({type: "post", url: "reg. ashx? Email = "+ $. trim ($ ("# txtEmail "). val () + "& d =" + (+ new Date (), success: function (data) {var vCount = parseInt (data ); if (vCount = 0) {alert ("email can be used") ;}else {alert ("email already occupied ");}}});}); $ ("# checkpwd "). blur (function () {return CheckPwd () ;}); function CheckPwd () {var bCheck = true; if ($. trim ($ ("# pwd "). val ())! = $. Trim ($ ("# checkpwd "). val () {alert ("two passwords are inconsistent"); bCheck = false;} return bCheck ;}</script>

Reg. ashx code:

Using System; using System. collections. generic; using System. linq; using System. web; namespace WebT1.Ti.html 2 {// <summary> // reg abstract description /// </summary> public class reg: IHttpHandler {public void ProcessRequest (HttpContext context) {if (context. request ["email"]! = Null) {string strEmail = context. request ["email"]; List <UserModel> lstUser = DataService. getUserList (); var v = lstUser. where (p => p. email = strEmail); int iCount = 0; if (v. count ()> 0) {iCount = 1;} context. response. contentType = "text/plain"; context. response. write (iCount. toString () ;}} public bool IsReusable {get {return false ;}}} public class DataService {// <summary> // simulate registered user data /// </summary> public static List <UserModel> GetUserList () {var list = new List <UserModel> (); list. add (new UserModel () {Email = "t1@demo.com"}); list. add (new UserModel () {Email = "t2@demo.com"}); list. add (new UserModel () {Email = "t3@demo.com"}); list. add (new UserModel () {Email = "t4@demo.com"}); list. add (new UserModel () {Email = "t5@demo.com"}); return list ;}} public class UserModel {public string Email {get; set ;}}}

Summary

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