When Ajax is used in a user control, besides [Ajax. ajaxmethod (Ajax. httpsessionstaterequirement. readwrite)] Mark, directly using session to read is not acceptable, need to useHttpcontext. Current. session ["key"], probably because:Directly write
Recently, I want to train my colleagues about Ajax and write a courseware and some demos. They are not perfect (the courseware is made in ppt2007 ), the courseware focuses on some basics.
There is a demo, which is a vs2005 project written based on
Automated Testing of the Web Front-end generally requires simulating mouse clicks, keyboard input, automatic browser page navigation, and other functions. The key is to automatically record and play back the entire test process.
Vs2010 SP2 has
In the Ajax accordion control, how to control the items that have been selected
The first item is always displayed when the accordion control is used. When different users display different items, how to control the items that you just clicked
Starbox
Starbox allows you to easily create various types of rating boxes. This project is developed based on the prototype JavaScript framework and requires the scriptaculous framework for some special effects.
Starbox
Jquery Ajax
1. Create a web form: collapsiblepanel. aspx. Add a scriptmanager control and a collapsiblepanel control (set targetcontrolid to Panel1)
2. Insert a table with one row and one column. (add id = "Table1 ")
Code
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What is Microsoft Ajax library?· Client section of ASP. NET Ajax· Client-only framework (independent from the server)· Provides JS extensions and base class libraries
Common native types in javascript:· Object· Arrary· Error· Function· Boolean·
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Function: $. Ajax (properties)Function: access a remote page with an HTTP requestReturn Value: XMLHttpRequestParameters;(String) URL request
In jquery 1.5, a deferred object, JQ'sCodeIt also made a large-scale rewrite. If you want to know about this object, read: jquery deferred object detailed source code analysis (-)
JQ's Ajax method also adds new features to the deferred object. Now
Reference material address:Http://docs.jquery.com/Ajax_EventsHttp://www.cnblogs.com/HeroBeast/archive/2008/10/16/1312476.html
Ajax triggers many events.There are two types of events: local events and global events:
Partial event: called and
Prevents multiple submissions
Ajax is asynchronous in nature, and the features of background operations makeProgramDuring execution, users cannot be informed about the waiting status. Therefore, users often submit multiple times to avoid server
Use jquery. when Ajax requests data, to avoid repeated requests, You need to disable the request submission button. Generally, this is relatively simple. You only need to add the disabled attribute to the button. A test instance is written below,
No1-Prototype
Features: a very elegantJSLibrary, definedJSObject-oriented extension,DomOperationAPI, Events, and so on.Rico/script. aculo. UsImplementJSComponent functions and effects(Not perfect yet),PrototypeAs the core, forming a variety of
One of the functions of scriptmanager is to process partial updates on the page. For this, I think everyone knows. But what is his working principle? I will not answer this question from the front.
Let's take a look at this. Currently, Ajax
When registering a user on any website, the system checks whether the user already exists. A long time ago, the processing method was to submit all the data to the server for verification. Obviously, this method had a poor user experience. Later,
Use response. wrie (""); or page. registerstartupscript (); in Ajax-supported websites. There are two solutions:
(1)System. Web. UI. scriptmanager. registerstartupscript to replace
Page. clientscript. registerstartupscript
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Function
In section 2, we introduced a simple Dom operation method. Next we should go to the traditional Ajax project-XMLHttpRequest. When using XMLHttpRequest, you need to pay attention to the encoding problem. What should I do if I want to bind dojo to UTF-
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