XMLHTTP CACHE
SYSK 217: Processing WebService Response using JSON request.open("GET", url, true);. request.setrequestheader("Pragma","no-cache");. request.setrequestheader("Cache-control","no-cache");. request.send();. } else. {. alert("Unable to create Microsoft.XMLHTTP"); IE 7 - Native xmlHttpRequest Not So Good XMLHTTP object, I was thrilled. This meant once IE 6 was phased out of the world, that already have this built in but I do write my own xmlhttp request on occasion. I tried setting the page cache to nothing, but still no luck. AJAX/Easy - Displaying the server's time XMLHTTP.3.0', 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP' ); for ( var i = 0; i < versions.length && !xhr; i++ ) Send headers not to cache this file, so the time is always updated. header( 'Cache-Control: no-cache, must-revalidate' ); Microsoft AJAX Library at the AJAX Experience Think of what this would look like with using XmlHttp directly? More around what UI widgets they offer rather than basic XmlHttp abstractions Does this mean you can't cache user data or even implement an AutoComplete textbox? AJAX - Lições Iniciais XMLHTTP"); } catch (e) {} } } No restante do código, tratamos a criação do objeto por ActiveX, setRequestHeader("Cache-Control", "post-check=0, pre-check=0"); ajax. Todos esses headers são para evitar o cache do XML. 使用XMLHTTP Request Object获取服务器数据 在Web客户端使用xmlhttp对象,可以十分方便的和服务器交换数据,我们可以获取和发送 甚至二进制数据到服务器上。xmlhttp技术同时也是目前大多数无刷新页面使用的和 setHeader("Pragma", "no-cache"); 6. 在这个示例中,XMLHttpRequest对象配置为 解决了autosave脚本的ajax caching问题 其它参考资料: http://en.wikipedia.org/wiki/XMLHTTP http://www.enja.org/david/?p=25 http://radio.javaranch.com/pascarello/2005/10/21/1129908221072.html http://ajaxian.com/archives/ajax-ie-caching-issue Caching astralis XMLHTTP") 'Opens the connection to the page you wish to cache xml.Open "GET", PageToCache, False 'Actually Sends the request and returns the data from the page you wish to cache xml.Send strContent = xml.responseBody Fjax: Just say no function ajaxUpdate(url, id) { var xmlhttp = createXMLHttpRequest(); if (xmlhttp) { xmlhttp.onreadystatechange = function() { if (xmlhttp. takes advantage of Flash's ability to store large amounts of data in an offline cache, xmlHttp的特性 6, XMLHTTP integrates with the IE browser's cache, which may cause problems in which "stale" response data is returned. ServerXMLHTTP does not implement a cache. 7, XMLHTTP is HTTP/1.1 compliant. XMLHTTP does support HTTP/1.1 chunking.
WhoIs query with XMLHttp sample Here's a quick example of how to use the XMLHttp object to perform a WhoIs query. AddHeader "pragma", "no-cache" Response.ExpiresAbsolute = #January 1 Visual Basic 6 Web development - how to disable IE cache in XMLHTTP I try to use the XMLHTTP to get some data form the web, but the data is be cache .how can i disable IE cache ,to keep my data newest. JScript - Using XMLhttp's cache properly and firefox), but when I use it in with the xmlhttp object, it doesn't even check the server to see if there is any change, it just loads the cache. QuirksBlog: XMLHTTP linkdump If we ARE going to talk about XMLHTTP, can we at least talk about something interesting? like memoization, browser cache interactions, and the really p2p.wrox.com Forums - MSXML2.XMLHTTP Caching? XMLHTTP to refresh content on a page without reloading the entire page. This will not use cache for all the requests for which you use above line of
p2p.wrox.com Forums - MSXML2.XMLHTTP Caching? XMLHTTP to refresh content on a page without reloading the entire page. This will not use cache for all the requests for which you use above line of JScript - Using XMLhttp's cache properly and firefox), but when I use it in with the xmlhttp object, it doesn't even check the server to see if there is any change, it just loads the cache. XMLHttpRequest - Wikipedia XMLHTTP è un componente importante nella tecnica di sviluppo web "AJAX". Il browser di casa Microsoft implementa una cache per le richieste GET. CodeGuru Forums - XMLHTTP to request files and caching But I don't think , for the next request , XMLHTTP will look at the cache by default , so I really don't know hot to get If_Modified_Since or If_None_Match XMLHttpRequest: Information from Answers.com Web pages that use XMLHttpRequest or XMLHTTP can mitigate the current minor differences in or for the cache to be avoided as with the refresh button. Discuss XML Technologies : Clear out XmlHttpRequest I'm not sure how FF works but MSXML XMLHttp uses the same cache settings as IE. This is a common tip for ensuring that IE doesn't get a cached version of a Emil’s Chronicle » XML HTTP Performance and Caching The reason that synchronous use of XMLHTTP successfully checks the cache may be due to event bubbling within the IE engine. On a synchronous call IE is free ASP « Andy’s Blog addHeader “Cache-Control”, “no-cache” response.addHeader “Cache-Control”, “no-store” xmlhttp.open(”GET”, “make_query_list.asp?query=”+query,false);
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