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Rob Gonda

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(October 7, 2005) - AJAX isn't a technology, or a language, and there's no recipe to implement it; it's just a combination of various components to achieve something you otherwise couldn't: asynchronous http requests. However, since early 2005, when Google and Flickr popularized the concept, its use has grown rapidly. The name AJAX is short for Asynchronous JavaScript and XML. It uses the JavaScript XMLHttpRequest function to create a tunnel from the client's browser to the server and transmit information back and forth without having to refresh the page. The data travels in XML format because it transmits complex data types over clear text. AJAX uses XHTML for the data presentation of the view layer, DOM, short for Document Object Model, which dynamically manipulates the presentation, XML for data exchange, and XMLHttpRequest as the exchange engine that ties every... (more)

ajaxCFC - Addressing Html Code in Application.cfc

ajaxCFC: addressing html code in application.cfc I just got hit with an email informing me that ajaxCFC will break when application.cfc adds code onRequest(start|end). I modified the framework to reset the content before the JavaScript response, and abort it at the end of the asynchronous call. I am not quite happy with the abort though, so if someone has a better solution to eliminate all code generated by onRequestEnd please comment it here. I tried to open a JS comment segment, but then it results on unfinished comment; setting enable cfoutput only will only work if the code ... (more)

AJAX: Making the HTML User Experience Almost As Pleasant as Flash

AJAX can make the HTML user experience almost as pleasant as Flash. The main advantage of Flash, in spite of its vector animations, is that you never reload the page. Flash Remoting allows you to interface with the server in the background and AJAX does exactly the same for HTML pages. In my previous article, "What's AJAX?" (CFDJ, Vol. 7, issue 9), I covered the basics of AJAX - everything from setting it up, all the way to having it running in an MVC design with basic functionality. Thus far, we have only sent and received simple objects, which is good way to understand the pri... (more)

ajaxCFC port for the Model-Glue Framework

ajaxCFC port for the Model-Glue FrameworkThe latest fad in the Model-Glue list has been AJAX. How to incorporate Ajax requests to the Model-Glue framework. Is it pointing directly to the model? To the controller? or going thru the full cycle by pointing to index, then controller, model, back to the controller, and passing arguments back to the view? I ported ajaxCFC to work with Model-Glue and it came out great. It works just like any other MG event, where you have to define it in the config.xml, create a listener, use the controller, models, and views... it's beautiful. All ajax... (more)

Rob Gonda's AJAX Blog: "ajaxCFC update for DRWUtil.AddRows"

ajaxCFC update for DRWUtil.AddRowsRelated Categories: ajax, ajaxCFC, Coldfusion, JS/DHTML A recent message in the ajaxCFC group asked about the DRWUtil.addRows() function; the truth is that I had never used it. I include the utils library because there are other elements that I find useful, but I had never given the addRows a try. Enough said, since I include the file, I guess I need to support the built-in functionality, but the addRows out-of-the-box was accepting arrays and objects. I serialize the ColdFusion queries into a more complex object which was not recognized by the a... (more)