The Mlhttprequest object is the core of AJAX functionality, and developing AJAX programs must start with understanding the XMLHttpRequest object.
Understanding the XMLHttpRequest object starts with creating the XMLHttpRequest object and uses
XMLHttpRequest provides a protocol for clients to communicate with HTTP servers
One: Create
Ie:http_request = new ActiveXObject ("Msxml2.xmlhttp");
Http_request = new ActiveXObject ("Microsoft.XMLHTTP");
Non-ie:http_request = new XMLHttpRequest
1:get Access Browser thinks it's idempotent.
The same URL has only one result [the same is the exact match of the entire URL string]
So the second visit if the URL string does not change the browser is directly come up with the results of the
Look at the effect first:
First you need an ascx page to bind the content of the RSS feed to a ListView through a XDocument. The code is as follows:
Copy Code code as follows:
protected void Page_Load (object sender, EventArgs e)
But I really don't know what to do with the title of this article, if you miss it because of this bad topic, it's really a pity.
I have consulted a number of articles before doing this thing:
This article will show you the philosophy of jquery, explore his features and features, and do some Ajax examples and how to use Plug-in (Plug-ins) to extend jquery.
1. What is jquery?
jquery is a very good JavaScript library, it was born in 2006
Use Ajax to pass Chinese parameters, if not processing the parameters, upload to the background will become garbled, after testing can use the following methods
Here is an example of getting the data from the input box in the Jquery.autocomplete
Because the default Ajax is asynchronous, it does not affect downward execution when the result is not responding. So it has to be implemented in a callback way. This programme is more efficient.
If you want to return the result, change the
In the work of the Ajax n many times, but also read some related aspects of the book, but also recognized it, but has not been a serious summary and finishing related Dongdong, failure!
Close to the leisure, will be summed up as
I think it's still necessary to present my Ajax pagination to everyone. Let me start by talking about the implementation core of this Ajax paging, and then we'll look at the example effect. The so-called Ajax paging and the traditional data paging,
Today we're going to talk about using Ajax without the refresh technique to read multiple data from the server and display the returned data to a table. I'll also show you how to use JavaScript scripts and DOM interfaces to create a table for a Web
1, "Use iframe"
Add an iframe to the page you want to load, as follows
Copy Code code as follows:
OnLoad Add the function you want to call, if the loaded page is in the pop-up layer, this function needs to be placed on the
This article describes the Ajax cascading menu implementation method. Share to everyone for your reference, specific as follows:
The effect is as follows:
Select the first item, and the second and third items are changed accordingly.Select the
First, Webservice.asmx:Processing business data, generating generic collection data in the GetList method for jqueryrequest.aspx invocation, with the following code:
[WebMethod]
Copy Code code as follows:
Public list getlist ()
{
jquery provides a number of Ajax functions, which are similar in that they are separated from each other in order to handle different types of data. The simplest is get (url,parameters,callback), which initiates a got request to pass the data
The phenomenon is as follows:
1 in Firefox, the processing of the page encoding for GB2312, the submission of data is not a problem, Chinese can be correctly resolved;
2 in IE8, the processing of the page encoding for GB2312, the submission of
Caching problem:
What is a caching problem? That is, when the browser's input is the same, that is, the requested URL is the same, so that the browser will read the cache, two of times, the same content, will not interact with the server
This example describes the load () and post () method of Ajax in jquery. Share to everyone for your reference, specific as follows:
A, load () method
The jquery Ajax Load () method can load the remote HTML file code and insert it into the DOM,
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service