Ajax

I made a provincial/municipal drop-down menu yesterday, and I always felt that the page refresh was quite uncomfortable. If the page data and images increased, wouldn't it be slower? I decided to try out the popular Ajax technology today. After

From http://www.cnblogs.com/wfyfngu/archive/2007/10/09/917700.html Are you still using the DataGrid or gridview, or are you struggling to find a grid control? Write one by yourself. Let's take a look at the features we need: I. Requirement

Many people use the 'msxml2. xmlhttp' object to call remote data. I disagree,.This depends on whether the user has installed the MSXML component,In addition, the page may be stuck when calling data "; To avoid these situations, we recommend

1. Page Definition: -- Controls and other Div 2. toolkitscriptmanager must be defined (1). Use WebService (2) WebService is not used 3. triggers The control in triggers does not need to be written to updatepanel. As long as it is defined in

Let's look at an example of submitting an Ajax query using jquery.Basic Function: enter a form, admission ticket and verification code, verify whether the form is entered, click query and submit, and then obtain and display the returned data from

Ajax is short for Asynchronous JavaScript and XML.Purpose: Ajax allows you to use JavaScript statements to call the XMLHTTPRequest object and communicate directly with the server. You can exchange data with the server without reloading the page. 1.

Ajax frameworkVaR http_request = false;Function send_request (URL ){Http_request = false;If (window. XMLHttpRequest ){Http_request = new XMLHttpRequest ();If (http_request.overridemimetype ){Http_request.overridemimetype ("text/XML ");}}Else if

Ajax keywords:JavaScript scripts and Extensible Markup Language (XML)Web browser technologyOpen Web standardsBrowsers and independent platformsBetter and faster network applicationsXML and HTTP requests Ajax = Asynchronous JavaScript and extensible

Before using the XMLHTTPRequest object to send requests and process responses, you must use JavaScript to create an XMLHTTPRequest object. Because XMLHttpRequest is not a W3C standard, you can use JavaScript to create an XMLHttpRequest instance in

See Ajax. Here we will first look at how to write an Ajax file with javascrui. The principle of AJAX is the XMLHTTPRequest object. First, we need to create this object First, create an xajax. js file.   Code highlighting produced by Actipro

Recommended learning resources from: Zhang Ziqiu http://www.cnblogs.com/zhangziqiu/tag/jQuery%e6%95%99%e7%a8%8b/ Summary: In jquery, Ajax is used and the flexibility of js to write Ajax is saved. It is also easy to write and read like other Ajax

1. Create a new project and add reference Ajax. DLL to the reference. Ajax. dll is located in the downloaded package. 　　 2. Create httphandler and add it to Web. config.＜configuration＞ ＜system.web＞ ＜httpHandlers＞ ＜add verb="POST,GET"

1. the Ajax implementation method is as follows:Webpage: Webserver: [Webmethod] Public String [] cusname (string prefixtext) {webclass. list TMP = new webclass. list (); dbdatareader DR = TMP. showname (prefixtext); List suggestions = new list ();

$. Ajax ({ URL: 'http: // www.cnblogs.com/common/ajax/getspecialtycoursesjsondata.ashx ', Data: {s_courseid: courseid, currtime: new date (). gettime ()}, // Add a timestamp; otherwise, data will not be updated automatically. Datatype: 'json

Note: Ajax serves as a bridge between the front-end and the back-end. You can call the back-end method at the front-end. The dll can be downloaded from the Ajax. dll file. Configuration: Step 1: Configure in webconfig: Code highlighting produced by

ASP. NET Ajax client lifecycle analysis (theoretical)(1) Developer online builder.com.cn updated by: Author: Zhu Xianzhong Source: 51cto.com Keyword: ASP. NET Ajax client Lifecycle I. Introduction Microsoft's ASP. NET Ajax framework, as a relatively

Does Ajax work after a website is published? The possible problem lies in the IIS application ing. The solution is as follows: Right-click "website virtual directory" and choose "properties"> "home directory"> "configuration" to see if there is

  28 2007-10 Some free Ajax & JavaScript image galleries (2) Posted:Ajax/JavaScript/Resources 1Comments Below are some codes collected from the Internet that can be used for free and Ajax & JavaScript to manipulate and display

Problem description: After Ajax (using Microsoft's updatepanel), the export function is incorrect. Because the export function uses response to directly output the content, and Ajax's asynchronous method cannot resolve this cause an error. Solution

1 // create an XMLHttpRequest instance 2 This. _ createrequestentity = function () 3 { 4 var req; 5 var msxml_progid = ['msxml2. xmlhttp.8.0 ', 'msxml2. xmlhttp.7.0 ', 'msxml2. xmlhttp.6.0 ', 'msxml2. xmlhttp.5.0 ', 'msxml2. xmlhttp.4.0 ', 'msxml2.