Ajax

Learning started in late February this year. net (I actually bought it three years ago. net book, it is a pity that I did not read the first 60 pages after reading them.), I spent nearly two months wandering, because I was too close to the door, I

By default, IE caches the Ajax request results for the request address. In other words, before the cache expires, multiple Ajax requests initiated for the same address will only be sent to the server for the first time. In some cases, this default

Code snippet: By By XmlHttp. status = 200 It is recommended to write like this in the future. Because xmlHttp. status = 200, it indicates that the server returns the correct result, so that the XML can be correctly

Cause:Browser security restrictions are imposed to prevent cross-origin ajax data acquisition. Solution:$. GetJSON () provided by jquery can be used to obtain JSON-format data across domains. Advantage: strong compatibility. Java background code:

Although Prototype. js is also used for writing, the class implementation still uses the method in JavaScript advanced programming because of its ignorance. When AJAX is used for data verification, XML is initially used as the data source. However,

Today, I want to implement an Asynchronous interaction process that reads data from xml using $. ajax (). The initial code is as follows:   $.ajax({ type: "get", url: "Database/App_all.xml", dataType: "xml",

Simulate two-level menu Association in the drop-down list 1. Page * Level 1 service type: Select... $ {dept. name} $ {errDept} Level 2 service type: Select... 2. js Function loadDeptChild (dept ){Var url = "servlet/CustomerServlet? Action =

Another form of linkage box, the linkage box on the right is generated using jquery This is based on the js method modified in the previous article. Let's take a look at the code on the page: Copy codeThe Code is as follows: event region: & Lt;

What is reflection mechanism? The reflection mechanism means that the program can obtain its own information at runtime. For example, an object can know its methods and attributes at runtime. Use (... In ...) Statement reflection In JavaScript,

For details about the Ajax Control Toolkit and how to obtain it, see another article in this series: Ajax Control Toolkit example (1) AutoCompleteExtender. Introduction to the BalloonPopup Control The BalloonPopup control displays a pop-up layer,

Index. jsp: Copy codeThe Code is as follows: second-level menu linkage demonstration Second-level linkage example Select Beijing Tianjin Shandong Province Select SelectServlet:Copy codeThe Code is as

Generally, forms are submitted in ajax mode, so it is troublesome to upload a form with a file. The basic principle is to add a hidden iframe on the page, and then submit the form data except the file through ajax. In the callback function after the

The front-end uses AJAX to directly call the back-end method. Some old people post and ask questions. There is nothing to do with an example. CasMenu. aspx page: Copy codeThe Code is as follows: Porschev -- foreground JS (Jquery) calls the

The query formValidator plug-in is very useful, but there is a serious Bug. When ajax verification is used, if the content of the input box already exists, place the cursor in the input box and leave without any modification, an error will be

First, the html code: Copy codeThe Code is as follows: Js Code:Copy codeThe Code is as follows: var compareContent = "the value you want to change ";If (compareContent! = ""){Document. getElementById ("compareIframe"). src =

Fortunately, I saw the rising sun after the last day, so I was able to write articles here to get down to the truth. I recently made a project, we need to use a subdomain name to call an existing function under the primary domain name, so we thought

The previous article is about the interface. Next I will write about how to write the data into the database without refreshing. When we change a certain score of a person or a certain number of people, we do not need to write data into the

Floating layout: a column in the HTML structure. It is floating. I. Function Analysis: 1. Determine whether the image enters the visible area;2. Request server data using AJAX;3. broadcast the data to the corresponding queue; II. Implementation

1. AJAX-ZOOM A very powerful plug-in that allows you to zoom in and out with the scroll wheel of the mouse, rotate at 360 °, browse in full screen, and perform online demonstrations. 2. VerticalSlider A good way to display the long list,

1. Create a demo. aspx page. 2. Add references to the background file demos. aspx. cs on the page. Using System. Web. Services;3. method call without parameters. You must note that this version cannot be lower than. net framework 2.0. 2.0 is not