Ajax Study Notes 0

Ajax is a very confusing technology, because there are too many JavaScript that require manual coding and there is no debugging function. I started to learn handwriting first, and I felt very tired. It is necessary to study the underlying

Ajax debugging error failed from assembly "system. Web. Extensions, version = version, culture = neutral, publickeytoken = 31bf3856ad364e3

Compile Ajax website applicationsProgramTimeThe following errors often occur:Failed to import from assembly "system. Web. Extensions, version =Xxx versionCulture = neutral, 31bf3856ad364e35 "load type. Baidu, the solutions that can be found are

How Ajax works

The core of AJAX is the JavaScript Object XMLHttpRequest. This object was first introduced in Internet Explorer 5. It is a technology that supports asynchronous requests. In short, XMLHttpRequest allows you to use JavaScript to request and process

The onkeyup event of firefox2.0 encountered during Ajax Testing

VaR XMLHTTP; Function createxmlhttprequest (){ If (window. activexobject ){ XMLHTTP = new activexobject ("Microsoft. XMLHTTP "); } Else if (window. XMLHttpRequest ){ XMLHTTP = new XMLHttpRequest (); } } Function validemail (e ){ Createxmlhttprequest

Jquery $. Ajax () and other success: function () {} causes the return problem.

First look at the Code: // Ajax follow/cancel function focus_action (UID, type) {var R; type = type? 'New': 'delete'; $. ajax ({URL: 'api/follow/'+ type, data: {'uid': uid}, datatype: 'json', type: 'post', async: false, success: function (e) {r =

Ajax asynchronous call Process

JS Code: Function example () {var Req = getreq (); Req. Open ("get", "querybyactionsample. aspx? Name = "+ escape (name), true); req. onreadystatechange = function () {If (req. readystate = 4) {STR = req. responsetext; showmessage (STR) ;}}; req.

Summary of solutions to the "sys undefined" error in Ajax

Error: The "sys undefined" error occurs when customizing scripts in Ajax applications. Solution 1: Obtain the pagerequestmanager instance statement (for example, var prm = SYS. webforms. pagerequestmanager. getinstance (); ) In the

Ajax + webserver and dataset to XML operation instance

A program code writes it to a blogFront-end Ajax + webserver and dataset XML Conversion operation instance WebService. asmx WebService. CSUsing system; using system. web; using system. collections; using system. web. services; using

Getting started with Ajax

This article is a summary, indicating that the source of the download video tutorial Ajax Composition 1. XHTML + css2. Dynamic Display and interaction dom3. Data Interaction and operation XML and javast4. asynchronous data acquisition xmlhttprequest5

XMLHttpRequest and Ajax

In the previous article, I practiced how to use IFRAME to refresh Part of the page. However, when I clicked the button, I asked the server to refresh the IFRAME source code page, which is ugly. What we need is to send refresh requests, receive data,

Crazy Ajax handout (version 3rd)

Crazy Ajax handout (version 3rd)Basic InformationAuthor: Li Gang [Translator's introduction]Press: Tsinghua University PressISBN: 9787121193941Mounting time:-4Published on: February 1, February 2013Start: 16Page number: 636Version: 1-1Category:

An error occurred while debugging the Ajax code. system. Web. UI. Compatibility. comparevalidator could not be found.

Depressed for half an hour Error 1 failed to load the type "system. Web. Extensions, version = 1.0.61025.0, culture = neutral, publickeytoken = 31bf3856ad364e35" from the assembly "system. Web. UI. Compatibility. comparevalidator ". (F: \ vs2005 +

How to obtain the correct Ajax Control Toolkit client control script

1. Add scriptmanager1 to the ASP. NET page 2. page_load code: protected void Page_Load(object sender, EventArgs e) { var scriptRef = AjaxControlToolkit.ScriptObjectBuilder.GetScriptReferences(

A simple Ajax operation

Since the company will continue to use Ajax for subsequent projects! So I studied it carefully.   The basic operation is quite simple!   HTML:Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->

HTML5: Use postmessage to implement Ajax cross-origin requests

Due to restrictions of the same-origin policy, JavaScript has cross-origin communication problems. Typical Cross-origin problems include IFRAME and parent-level communication. There are several common solutions:(1) document. Domain + IFRAME; (2)

The clock _ now. aspx implemented through Ajax is the current time of server response.

Ajax page: http://www.w3.org/1999/xhtml"> untitled page Function doing (){VaR XMLHTTP;Try{XMLHTTP = new XMLHttpRequest ();}Catch (E){Try{XMLHTTP = new activexobject ("msxml2.xmlhttp ");}Catch (E){Try{XMLHTTP = new activexobject ("Microsoft.

. Net Ajax asynchronous call implementation methods (jquery)

Different implementation methods of Ajax asynchronous calls in several. Net methods are introduced.   (1). aspx common web form page. Delete the HTML code on the ASPX page and retain only the first line. Write the corresponding method code in the

Ajax cross-origin and JS cross-origin solutions)

Address: http://blog.csdn.net/zabcd117/archive/2008/01/23/2061669.aspx In a recent project, Ajax cross-Origin data retrieval is required. If it is in the current domain, but it is true that there is no problem, but the browser in the second-level

Ajax obtains the JSON object binding drop-down box

Share a small instance, speak nonsense, and directly upload the code ..... Paste the JS Code:JS Code 1 Paste HTML code:Html1 2 3 4 5 6 7 8 9 Paste the background ashx page to obtain the data code:Get data 1 public class getdatas:

Ajax advantages and disadvantages

The biggest advantage of AJAX is that data can be maintained without updating the entire page. This allows web applications to respond quickly to user actions and avoid sending unchanged information on the network. Ajax does not require any browser

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