Jquery+ajax+json+servlet Principle and Demo
Approximate process:
User Time Click, Trigger JS, set $.ajax, start request. The server responds, gets the value that Ajax passes, and then processes it. Returns to Ajax in JSON format. Ajax parses the
Source: http://blog.csdn.net/21aspnet/archive/2008/11/20/3341887.aspx
The long connection of Ajax, or the comet that some people refer to, means to connect the server in a XMLHttpRequest way, and the server is not immediately written to the
In the previous chapter we learned how to customize our own filter, this is just to lay the groundwork for this chapter; trust us, this group of Shiro users are more concerned about how asynchronous request authentication fails to deal with this
For the first time using $.ajax (), I did not differentiate between an AJAX asynchronous request and a synchronous request, just starting with a synchronous request, and then there were many problems, especially in terms of experience.
Asynchronous
Official Website
Http://code.google.com/p/reallysimplehistory/
It mainly involves the use of two objects.
Dhtmlhistory and historystorage.
1. dhtmlhistory. Add (param1, param2 ).
This method stores browser history records. For example, the
XML is a common Service-Oriented Architecture (SOA) and data transmission. Of course, many services currently exist in the soap format. However, when to use it for data transmission in AjaxCommunity.
[XML]Advantages of using XML as the
Some operation personnel reported that a Chinese display name edited in the background had garbled characters on the foreground ~~
First lookCodeWhether the GET request is not transcoded:
$. Ajax ({type: 'post', URL:
It mainly refers to the usage of two dropxxxextender under the name.
Let's look at the effect first.
In the above example, A textbox is in a panel, while dropshadowextender controls the panel, so targetcontrolid is indispensable.
The intern company has never done any web-related projects, but is afraid of missing web-related knowledge. If there is no time, it will flip through the previous projects, record some functions to facilitate future queries.
In some projects, you
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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
Http://www.cnblogs.com/fire-phoenix/archive/2009/11/13/1614146.html
This article describes how to use jquery-based Ajax technology in ASP. NET (ASP. NET/ajax. (For source code download, see final)
Before using jquery, go to www.jquery.com to
Upload without refreshing files
Ajax submit a form that contains files
The first thing I want to talk about is that AJAX cannot upload files. I can think about how AJAX can transfer files through passing strings to communicate with the background?
Ajax is composed of HTML, JavaScript technology, DHTML, and Dom. This outstanding method can convert clumsy web interfaces into interactive Ajax applications. The author of this series is an Ajax expert who demonstrates how these technologies work
Web development extension of Firefox
Http://chrispederick.com/work/firefox/webdeveloper/
Memtronic html/JavaScript cruncher-Compressor
Http://hometown.aol.de/_ht_a/memtronic/
Jslint completes JavaScript syntax check
Http://www.jslint.com
Dom
Reference: http://www.cnblogs.com/xpnew/archive/2009/08/18/Fiddler_web_http_ajax_jqurey.html (see comments)
In the last two days, we have studied how jquery connects to. NET web services and JSON. The head is several times bigger. Yesterday, I saw a
I have a new demo at http://munich.schwarz-interactive.de/autocomplete.aspx which will use a textbox and Ajax. net Professional to search for customer names (1st textbox) and then for the orders of this selected customer (2nd textbox ).
There is a
Reading Response Headers
Reading Response Headers Read All Response Headers Get Last Modified Date Read Available Resource Read Unavailable Resource
ReadingResponseHeaders. xml file
Document directory
Microsoft AJAX Library extends some static methods of Error to create specific errors:
Attribute of the Error object:
Error. create Function
Error. popStackFrame Function
An Error is a built-in JS object that contains the
Document directory
Interface
Use Enumeration
Reflection usage
MSDN address: http://msdn.microsoft.com/zh-CN/library/bb386453.aspx
Microsoft Ajax Library is a client-based Ajax js Library provided by Microsoft. By adding the ScriptManager
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