The previous article introduced the overall idea of using Ajax + JSON + jquery to develop a new website without any need. For beginners to better understand this articleArticleLet's talk about the basic usage of Ajax and give an example.
Ajax is
Recently, PDC showed the new features of ASP. NET Ajax 4.0, so I picked up Microsoft's Ajax again. To facilitate viewingCodeOn the Internet, I found ASP written by Eilon Lipton. net Ajax JavaScript class browser. I was amazed at the fact that
When passing parameters through Ajax, the following functions are used in encoding. To prevent garbled characters, study the following methods carefully.
MethodReturns an encoded String object that can be read on all computers.
Function escape
To apply Ajax, you must first understand the implementation principle of Ajax: Ajax interaction starts with a JavaScript Object called XMLHttpRequest. As the name implies, it allows a client script to execute an HTTP request and parse a server
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Ajax (Asynchronous JavaScript and XML, Asynchronous JavaScript and XML) is the main development technology for creating interactive web applications. There are also a lot of Ajax frameworks on the
Ajax is "Asynchronous JavaScript and XML" (Asynchronous JavaScript and XML). 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.
1. Resource websites
1. Chinese website
1) Ajax China (recommended)
A professional Ajax technology website with clear categories, a large number of electronic tutorials, and Ajax source code downloads!
Http://www.okajax.com
2)
I. Main reasons for using Ajax
1. Better User experience through appropriate Ajax applications;
2. Transfer the previous server workload to the client, which facilitates the idle processing capability of the client to reduce the burden on the
From now on, I have learned some Ajax experiences. We plan to use short instances to illustrate the problem. Understanding Ajax requires a lot of theory. I will not talk about it here. There is a lot of information on the Internet. I will list some
Many people want to learn Ajax technology under. net, but they don't know which framework to learn. Here we mainly compare the Ajax technology under three. net.
1. Atlas
Atlas disadvantages:
Atlas is also the most difficult to master among the
I. effect Preview
Note: No style la s are made here, just simple implementation functions.
1) the username and password are empty:
2) incorrect user name and password:
3) enter the correct user name and password:
Ii. Code Demo: 1) project
Today, I got a. Net Ajax development kit, which includes asp2.0 and Ajax currently used in asp1.1. For more information, see http://ajax.schwarz-interactive.de.
1. Create a new project and add reference Ajax. DLL to the reference. Ajax. dll is
Head request:
HEAD requests are very simple; you can use "head" (instead of "get" or "Post") as the first parameter to callopen()Method.
When you generate a head request like this, the server does not return a real response like a get or POST
Project dynamic faces is one of several projects that expand the assumerver faces technology. Project dynamic faces is an innovative project that provides a method to add Ajax functions to applications based on the assumerver faces technology. It
The five best practices described in this article can be applied to your web application Ajax development work:
Minimal call
Reduce data
Preload Components
Easy error handling
Use existing tools
These best practices help you write more
I encountered a problem when I was doing ajax yesterday,
$. Ajax ({url: '/main. php? Action = getDepart & cid = '+ cid, type: 'post', dataType: 'json', success: function (data) {// data = eval ('+ data +'); if (data. s = 1) invalid parameter
The ASP. NET team today released a significant new update of the Microsoft Ajax Library (Preview 6 ). this update includes des a bunch of new capabilities and improvements to our client-side AJAX library, and can be used with any version of ASP. NET
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