However, if the Panel contains more content, you will see it when loading the page. the content in the panel is first displayed and then disappears, less than a second. if you hide a panel, how can you display it when you click the button? Of course,
First of all, I think of ajaxmanager in CS. I just want to simplify it and remove unnecessary and many methods that are more suitable for our habits.
I named him ajaxlite, because he only needs two classes to implement Ajax functions. In order to
There are too many Ajax controls and class libraries now. Without knowing it, the mystery and complexity of Ajax have been added. Many people in the version are puzzled and worried about this, I decided to post this post to talk about my views on
Friends who have used Ajax certainly know that JavaScript is using UTF-8 International encoding, that is, each Chinese character with 3 bytes to store, but this caused the use of Ajax to send data when garbled.
One solution is to use
Blocked Ajax requests
Let's verify the request blocking first. We use the followingCode:
Initiate three consecutive requests Function simplerequest ()
{
VaR request = new XMLHttpRequest ();
Request. Open ("Post", "script. ashx ");
Request.
I suddenly felt that this was the problem. After studying the problem, I thought it was quite easy, but my knowledge was still lacking. The solution was as follows:
Blocked Ajax requests
Let's verify the request blocking first. We use the
One afternoon of study, the first challenge was Ajax cross-Origin data submission, which can be solved using Web Proxy. a.htm on http: // 192.168.8.htm
Code :
Web. asp is an ASP proxy.
You can directly access http: // 192.168.8.108/a.htm to
CopyCode The Code is as follows:
Ajax test
Code: Differentiation: shanghai deep evidence stock code stock name current price opened today close yesterday current price difference increase/decrease maximum price lowest price
Front-end
CopyCode The Code is as follows:
No title page
click
receive background data
Hello
BackgroundCopy codeThe Code is as follows: public partial class Ajax: system. Web. UI. Page{Protected void page_load (Object sender,
I. Three Important attributes of the XMLHTTPRequest object.
OnreadystatechangeAttribute
The onreadystatechange attribute contains functions for processing server responses. The followingCodeDefine an empty function and set the onreadystatechange
As the saying goes, it is easy to say that it is easy to do. It seems easy to compile on programming. Although there is no new technology in Ajax, it is just the transformation of ideas and the integration of old technologies, however, there are
1. When the XML document returned by the response in Ajax and action is incorrectly formatted, eclipse debug cannot enter the action.
2. For Ajax cache problems, you must add XMLHTTP. setRequestHeader ("If-modified-since", "0.
3. If you set
Copy codeThe Code is as follows :/**
* @ Author Supersha
* @ QQ: 770104121.
*/
Ajax Document
Note:The Ajax object accepts an object literal as a parameter, which contains the method, url, success, params, and fail parameters.Method: "GET"
If Javascript is to be cross-origin, you can use:
you can read data from other websites.
The key is to see if your spirit is not flexible and you will use it.
To cross-origin ajax, you can use the server to retrieve content from other websites,
This feature has been in trial for a week, and there is no problem. The strange thing is that today there is a problem ??
Copy codeThe Code is as follows: AjaxRequestObj. createEqStatusParameter = function (){
If (eqStatusArray. length Return;
}
Var
The garbled problem seems to have a special relationship with our Chinese programmers. It has been plagued by the JSP garbled problem, STRUTS garbled problem, and now the AJAX garbled problem, no one is engaged in a lot of programmers, all day scold
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